Speed Check
정답 과 풀 이
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130 131 132
;5@;133
134 135
;1¡2;136
;1∞2;137
5138 139 140 141
142
;4#;143
;3@;144 145
146 147
;4#;148
;1¶0;149
150
;2¶5;151
;1£0;152
;1ª6;153
;1∞4;154
;2!5^;155
;4!;156
;5$;157
;2!1);158
;2!0!;159
;1∞2;160
;2ª0;161
162
;9@;163
;5!;164
;9%;165
;3¶0;30 36 유형 콕콕
115
10 3 ;1£0;116
4 2 ;2!;117
;7$;118
;5@; 1 0119
0 1120
;5#; ;7$;121
;1™5; ;1!5#;122
;4!; ;4#;123
;9%; ;9!; ;3@;124
;2¶0;125
;3!; ;2!; ;6!;126
;5!;127
;1ª6; ;2!8%;128
;8@1); ;1∞8;129
;2!; ;2!; ;3@;27 29 개념 콕콕
2. 확률
Ⅰ. 확률
001 4 2 2 3 002 2 2
003 3 2 5 004 7 8
005 3 2 6 006 4 6
007 8 36 24 008 24 12 24
0093 3 6 2 2 6 12 010 20 60
011 16 48 012 12 24 6
013 6 4
개념 콕콕 9 11
014 0154 0163 017
018 019 020 0213
022 0235 024 0258
0265 027 0286 029
030 0315 0326 033
034 035 0369 0375
038 0398 04011 04130
042 043 04415 04540
0466 047 0483 049
05060 051 05256 053120
054 055 056 05748
058 05912 060 06124
062 063120 064 065
06648 067 0689 06936
070120 071 072 073
074 075 07628 07721
078 07924 08012 081360
082 083 084
12 20 유형 콕콕
085 0862 087 088
089 0909 091 09220
0938 094 09512 096
097 098 099210
100
101 102
321103 104
105
45106 107 108
21 23 실력 콕콕
1. 경우의 수
Ⅰ. 확률
109
13110
9111
72112
96113
9114
15서술형 콕콕 24
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Speed Check
166 167
;3!5#;168
;1¶5;169
;5#;170 171
;3@5#;172
;1!6%;173
;5#;174
;4#;175
;3@;176
;3!;177
178
;1¡0;179
;7%;180 181
;3!!;182 183
;6!;221 222 223
54˘224
45˘225 226
47˘227 228
229
38˘230
60 cm¤231
CAD AD”” SAS ADC 90232 233 234 235
236 237
120˘238
36˘239
240 241 242
99˘243
29˘244
245
ACB PCB PC”246
6 cm247 248
10 cm249
8 cm250
7 cm251
5 cm252
20 cm253 254
54˘255 256
5 cm257
50258 259
DE” B D ASA260 261 262
263
72 cm¤264
265
90 CM” B RHA266
9 cm267
50 cm¤268
4 cm269
40 cm¤270
56˘271
24272
63˘273
24 cm274 275 276
25˘277
5 cm278
30˘279
5 cm280
8 cm¤44 52 유형 콕콕
184 185
;8%;186
;3∞6;187
188 189
;6%;190
;5#;191
192
;3¶6;193 194 195
;3!5&;196 197
A 48 B 16198
;2¡5;199
6200
;5£2;201
202 203
;5#;204 205
;1!5$;206
;4!0!;207
;1∞6;37 39 실력 콕콕
214
65˘ 70˘ 30˘ 124˘215
5 90216
7 9217
ABC™ EFD RHA 4 cm218
ABC™ EDF RHS 8 cm219
x=3 y=5220
66˘개념 콕콕 43
1. 이등변삼각형과 직각삼각형
Ⅱ. 삼각형의 성질
208
;1¡0;209
;1¡5;210
;3!;211
;1∞8;212
;3!5*;213
;1¶5;서술형 콕콕 40
281 282 283
36˘284
72˘285 286
30 cm287
40˘288
36˘289
75˘290 291
35˘292 293
6 cm294
5 cm295
9 cm¤296
50˘297 298
2 cm299
26 m¤300
7 cm301 302
18 cm¤303 304
12 cm53 55 실력 콕콕
305
70˘306
62˘307
18˘308
15˘309
24 cm¤310
45 cm¤서술형 콕콕 56
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318
319
OB” OC” OFC RHS CF”320
40 cm321 322
16p cm¤323
324
10p cm325 326
42˘327
15 cm¤328
25˘329
27˘330 331
58˘332
48˘333
132˘334
207˘335
60˘336 337 338 339
340
120˘341
70˘342
24˘343 344
17˘345
72˘346 347
195˘348
120˘349 350
4 cm351
24 cm352
1 cm353
18 cm¤354
2 cm355
12 cm356
8 cm357
11 cm358
23 cm359
18 cm360
12 cm361
25 cm362
115˘363
33˘364
114˘365
15˘366
;2&; cm367
368
60 66 유형 콕콕
369 370
8 cm371
100˘372
10 cm373
18˘374 375
70˘376
27p cm¤377 378
100˘379 380
26˘381
192˘382 383
201˘384 385
9p cm¤386
(4-p) cm¤387
:¡2¡: cm388
12 cm389 390
4 cm391
392
116p cm¤67 69 실력 콕콕
311
312
3 40313
50˘ 36˘ 100˘ 55˘314
315
26˘ 115˘316
40˘ 125˘317
4 8 개념 콕콕 592. 삼각형의 외심과 내심
Ⅱ. 삼각형의 성질
393
80˘394
72˘395
8 cm396
10 cm397
150˘398
120˘서술형 콕콕 70
399
x=30˘ y=50˘ x=75˘ y=105˘x=70˘ y=110˘ x=26˘ y=34˘
400
x=5 y=4 x=4 y=2401
402
DC” BC” DC” BC” A B OC” OD”AB” AB”” AD” AD”
403
6 cm¤ 3 cm¤ 6 cm¤ 6 cm¤404
5 cm¤ 10 cm¤ 20 cm¤개념 콕콕 73
1. 평행사변형
Ⅲ. 사각형의 성질
405 406 407
40˘408
DCA DAC AC” ASA409 410 411
x=9 y=100412
105˘413 414
14415
416 417 418 419
2 cm420 421 422
90˘423
30˘424
125˘425 426 427
50˘428
120˘429 430 431
432
COD SAS OCD BC”433
360 180 B AD”434 435 436 437
438
x=2 y=110439
x=45˘ y=70˘440
10441 442
443
OC” OD” OB” OF”444
DF” AB” DC”445
446 447 448
449 450
28 cm451 452
12 cm¤453
6 cm¤454
52 cm¤455
12 cm¤456
7 cm¤457
40 cm¤458
5 cm¤459
20 cm¤74 82 유형 콕콕
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Speed Check
482
4 cm483
9 cm484
36˘485
90˘486
16 cm¤487
20 cm¤서술형 콕콕 86
460 461
96˘462
D B C463
464 465
18466 467
468 469
56˘470
55˘471
472 473 474 475
476
35˘477
6478 479
40 cm¤480 481
18 cm¤83 85 실력 콕콕
488
x=3 y=5 x=8 y=16489
x=60˘ y=90˘ x=35˘ y=55˘490
x=7 y=6 x=8 y=5491
x=90˘ y=25˘ x=50˘ y=40˘492
4 18493
90˘ 45˘494
10 6 75 70495
496 497
498
499
DBC ACD DCO500
3 : 1 30 cm¤ 10 cm¤89 91 개념 콕콕
2. 여러 가지 사각형
Ⅲ. 사각형의 성질
501
86502
5503
126˘504
57˘505 506
507
SSS C A508
20509 510 511 512
513
58˘514
24 cm515
516
x=10 y=6517
32 cm518
10 cm519 520 521 522
523 524
90˘525 526
527 528 529 530
531 532
DC” DCB SAS BD”533 534
112˘535
30˘536
20 cm537
21 cm538
32539
12 cm540
541 542 543 544
545 546 547 548
549 550 551
552
SAS GF”553
554 555 556 557
108558
25 cm¤559
15 cm¤560
54 cm¤561 562
7 cm¤563
8 cm¤564
12 cm¤565
20 cm¤566
24 cm¤567 568
16 cm¤569
570
18 cm¤571
20 cm¤572
6573
574
30 cm¤575 576
92 102 유형 콕콕
◯
◯
◯
◯
◯
◯
◯
◯
◯
577
34578
120˘579 580
581 582
63˘583 584
90˘585 586
25˘587
9 cm¤588
589
75˘590 591 592
593 594 595 596
8 cm¤597 598 599
20 cm¤103 105 실력 콕콕
600
20˘601
25˘602
7 cm603
9 cm604
40 cm¤605
60 cm¤서술형 콕콕 106
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617 618 619
OP” BFGC620 621 622
623 624
5 : 4625 626
627 628
54 cm629
27630
631 632 633 634
7 cm635 636
637
ABCª MON SASDEFª LKJ AA
638 639 640 641
:™3º: cm642
6 cm643
:¡3§:644 645
12 cm646 647
8 cm648 649
6 cm650
8 cm651 652 653
;2#; cm654
5 cm655
:™4∞: cm656
12657
:£5§: cm658
20 cm¤659
3 cm660
;3*; cm661
:¢7•: cm662
:¡4∞: cm112 118 유형 콕콕
606
E FG” H607
L HK GJLI608
609
2 : 3 65˘ 12 cm610
3 : 4 3 : 4611
1 : 2 10612
613
DBC SSS EDC SAS AED AA614
EBD AB” 4 2 1 BC” 3 2 1 B EBD SAS CA” 5 ;2%;615
CAD BAD DBA DAC616
6 4 9 :¡5™:109 111 개념 콕콕
1. 도형의 닮음
Ⅳ. 도형의 닮음
684
16p cm685
6p cm686
:¡2∞: cm687
7 cm688
6689
31서술형 콕콕 122
663 664
4665 666
21 cm667 668 669 670
36p cm¤671 672 673
:¢4∞:674
675
;2!; cm676
5 cm677 678
3 cm679 680
96 cm¤681
:¡5§: cm682
:£2∞: cm683
4 cm119 121 실력 콕콕
690
AE” DE” EC” AC”691
8 12 9 3692
;3*; 6 5 6693
694
;2%; 6695
6 9696
12 12 4 16697
5 3 2 7698
6 6 12699
DE” CD” 12 2 3 CA” 3 5 :™5¢: BD” 2 5 :™5¢:125 127 개념 콕콕
2. 평행선과 선분의 길이의 비
Ⅳ. 도형의 닮음
700 701 702
:™5¢:703
21704
40 cm705 706
4707
x=:¡3º: y=10708 709
710
:¡2∞: cm711
8 cm712 713
714 715 716 717
PQ”718 719 720 721
6 cm722
:¡5™: cm723
;3*; cm724 725
726
12 cm727 728 729
730
15 cm731
20 cm¤732 733
128 136 유형 콕콕
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Speed Check
734 735 736 737
64738 739
x=8 y=:¡2∞:740
10 cm741 742 743
17 cm744
745
24746
6 cm747 748 749
12 cm750 751
;;¡1¡1™: cm752
:™5•:753 754
48 cm¤755 756
3757 758
759 760
3 cm761
15762
763 764 765 766
15 cm¤767 768
100 m769 770
771
x=:™3º: y=:™5¢:772 773
774 775
16 cm776
:¡5•: cm777
137 139 실력 콕콕
778
8779
;2(;780
24 cm781
12 cm782
6 cm783
6 cm서술형 콕콕 140
794
8 cm795 796
44797
5 cm798 799 800
6 cm801
2 cm802 803 804 805
806
16 cm807 808 809
8 cm810
42 cm811 812
32 cm813
2 cm814
8 cm815
15 cm816
12 cm817
818
10 cm¤819 820 821
822
13823
4 cm824
3 cm825
9 cm826 827 828
8 cm829
830
x=2 y=4831 832
833 834 835 836
4 cm¤837
5 cm¤838
81 cm¤839 840
841
4 cm842 843 844
6 cm845
15 cm¤846 847
27 cm¤848
849 850
21 cm¤851
20 cm¤852
180 cm¤853 854 855 856
857 858
135 cm‹859
64860
;2(7*;861
16 m862 863
20 m864
3 km865 866
146 156 유형 콕콕
784
7 12785
5 16786
11 8 19 8 3787
x=5 y=8 x=12 y=8 x=9 y=10x=2 y=7
788
12 cm¤ 8 cm¤ 4 cm¤ 8 cm¤789
3 : 4 3 : 4 9 : 16790
3 : 2 9 : 4 20 cm¤791
2 : 1 2 : 1 4 : 1 4 : 1 4 : 1 8 : 1792
2 : 3 4 : 9 8 : 27 81cm‹ 32cm‹793
2.5 km 20 cm143 145 개념 콕콕
3. 닮음의 활용
Ⅳ. 도형의 닮음
867 868
2 cm869 870
15 cm871 872
24 cm¤873
28 cm¤874
50 cm875
28 cm876
45 cm877 878
3 cm879
36 cm¤880 881
4 cm882
16 cm¤883 884
50 cm¤885 886
126 cm¤887
21888 889
865 m890
9600 m¤157 159 실력 콕콕
891
;2(; cm892
3 cm893
8 cm¤894
10 cm¤895
189 cm‹896
160 cm‹서술형 콕콕 160
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1. 경우의 수
Ⅰ. 확률
001
3 3 4 5 6 4
3 3 6 2
5 1 5 2
2 3 5 3
4 2 2 3
002
1 2
2
2 2
003
4 4 8 12 3
7 7 14 2
3+2=5 3 2 5
004 3+4=7
5+3=8 7 8
005
3_2=6 3 2 6
006 2_2=4
2_3=6 4 6
007
2_2_2=8 6_6=36
2_2_6=24 8 36 24
008
4_3_2_1=24 4_3=12
4_3_2=24 24 12 24
009
3 3 6 2 2 6 12
개념콕콕 9 11
010 5_4=20
5_4_3=60 20 60
011 4_4=16
4_4_3=48 16 48
012 4_3=12 4_3_2=24
=6 12 24 6
013
4 2
=6
4 3
=4 6 4
4_3_2 3_2_1 4_3
2 4_3
2
014 0154 0163 017
018 019 020 0213
022 0235 024 0258
0265 027 0286 029
030 0315 0326 033
034 035 0369 0375
038 0398 04011 04130
042 043 04415 04540
0466 047 0483 049
05060 051 05256 053120
054 055 056 05748
058 05912 060 06124
062 063120 064 065
06648 067 0689 06936
070120 071 072 073
074 075 07628 07721
078 07924 08012 081360
082 083 084
유형콕콕 12 20
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014
7 (1 6) (2 5) (3 4) (4 3) (5 2) (6 1) 6
015
10 1 2 5 10 4 4
016
2 1
3 3
017
4 (1 5) (2 6) (5 1) (6 2) 4
018
5 5 10 15 20 25 5
10 11 12 y 24 25 16
2 3 5 7 11 13 17 19 23 9
18 19 20 21 22 23 24 25 7
24 1 2 3 4 6 8 12 24 8
019
(1 1) (1 3) (1 5) (3 1) (3 3) (3 5) (5 1) (5 3) (5 5) 9
_
020
2x+y<7 (x y) (1 1) (1 2) (1 3) (1 4) (2 1) (2 2) 6
021
(4 cm 5 cm 7 cm)
(4 cm 7 cm 9 cm) (5 cm 7 cm 9 cm) 3 3
<
(4 cm 5 cm 9 cm) 9=4+5
022
8
023
5 5
024
5
025
8 8
026
2+3=5 5
027 6+3=9
028
4+2=6 6
029 9+6=15
030
2 3 5 7 11 13 17 19 8
6 6 12 18 3
8+3=11
031
3 3 6 9 3
5 5 10 2
3+2=5 5
100 5 5 4 4 3
50 2 1 4 3 5
10 0 5 0 5 5
500 1 1 1 0 0
100 2 1 0 6 5
50 1 3 5 3 5
500 2 2 2 2 1 1 1 1
100 4 3 2 1 4 3 2 1
1400 1300 1200 1100 900 800 700 600
100 5 4 4 3 3 2 2 1
50 0 2 1 4 3 6 5 7
10 0 0 5 0 5 0 5 5
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032
7 7 14 2
10 1 2 5 10 4
2+4=6 6
033
4 4 8 12 16 20 5
5 5 10 15 20 4
20 4 5 5+4-1=8
034
5 (1 4) (2 3) (3 2) (4 1) 4
6 (1 5) (2 4) (3 3) (4 2) (5 1) 5
4+5=9
035
1 (1 2) (2 1) (2 3) (3 2) (3 4) (4 3) (4 5) (5 4) (5 6) (6 5) 10
3 (1 4) (2 5) (3 6) (4 1) (5 2) (6 3) 6
10+6=16
036
4 (1 3) (2 2) (3 1) 3
yy
8 (2 6) (3 5) (4 4) (5 3) (6 2)
5 yy
12 (6 6) 1 yy
3+5+1=9 yy
9
037
2 3 5 3
2 2 4 6 3
2 2
3+3-1=5 5
038
1
2_3=6 1+6=7
039
4_2=8 8
040
A C 2 yy
A B C
3_3=9 yy
2+9=11 yy
11
041
6 5
6_5=30 30
042 3_4=12
043 4_2=8
044
5_3=15 15
045
5_4_2=40 40
046
2 1 3 5 3
2_3=6 6
047
2_2_2_6=48
048
1 yy
2 3 5 3 yy
1_3=3 yy
3
049
2_2=4
2 1
3
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050
5_4_3=60 60
051
4_3_2_1=24
052
8_7=56 56
053
6_5_4=120 120
054
3 3_2_1=6
055
4
4_3_2_1=24
056
C D E 3 3_2_1=6
A B 2
6_2=12
057
⁄S 4_3_2_1=24
¤M 4_3_2_1=24
⁄ ¤
24+24=48 48
058
B D 1 4
4_3_2_1=24
B D 2
24_2=48
059
1 3
3_2_1=6
2
6_2=12 12
060
F 5 A B 1 4
4_3_2_1=24
A B 2
24_2=48
061
3 2 1 2
2_1=2 yy
3_2_1=6 yy
2_1=2 yy
2_6_2=24 yy
24
062
⁄2 25 1
¤3 31 32 34 35 4
‹4 41 42 43 45 4
›5 51 52 53 54 4
⁄~› 24
1+4+4+4=13
063
6_5_4=120 120
064
1 3 5
⁄ 1 21 31 41 51 4
¤ 3 13 23 43 53 4
‹ 5 15 25 35 45 4
⁄ ¤ ‹ 4+4+4=12
065
⁄1 4_3=12
¤2 4_3=12
‹3 1 312 314 315 3
⁄ ¤ ‹ 320
12+12+3=27
066
0 4
4
3
4_4_3=48 48
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067
0 4
4
4_4=16
068
⁄1 10 12 13 14 4
¤2 20 21 23 24 4
‹3 30 1
⁄ ¤ ‹ 31
4+4+1=9 9
069
5 0 5 yy
⁄ 0 5_4=20 yy
¤ 5 4_4=16 yy
⁄ ¤ 5
20+16=36 yy
36
070
6 3
6_5_4=120 120
071
10 2
10_9=90
072
A 4 2
4_3=12
073
⁄ 4
1 3 3
1 3_3=9
4_9=36
¤ 3
1 4 2
1 4_2=8
3_8=24
⁄ ¤ 36+24=60
1 1
4_3=12
2 5 1 5
12_5=60
074
6 1 6
5 2 =10
6_10=60
075
A 4 2
=6
076
8 2
=28 28
077
⁄2 =15 yy
¤2 =6 yy
⁄ ¤
15+6=21 yy
21
078
A 4
B A 3
C A B 2
D A C 2
4_3_2_2=48
079
A 4
B A 3
C A B 2
4_3_2=24 24
4_3 2 6_5
2 8_7
2 4_3
2
5_4 2
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080
A 3 yy
B A 2 yy
C B 2 yy
3_2_2=12 yy
12
081
E 5
A E 4
B A E 3
C B E 3
D A E C 2
5_4_3_3_2=360 360
082
5 2
=10
083
6 2
=15
084
5 3
5_4_3=10 3_2_1 6_5
2 5_4
2
085 0862 087 088
089 0909 091 09220
0938 094 09512 096
097 098 099210
100
101 102
321103 104
105
45106 107 108
실력콕콕 21 23
085
4
086
(a b) y=3x-2 b=3a-2
3a-b=2 (a b) (1 1) (2 4) 2
2
087
6
088 6+5=11
089
5 5 10 15 20 25 5
6 6 12 18 24 4
5+4=9
090
4 (1 3) (2 2) (3 1) 3 7 (1 6) (2 5) (3 4) (4 3) (5 2) (6 1) 6
3+6=9 9
091
0 (1 1) (2 2) (3 3) (4 4) (5 5) (6 6) 6
1 (1 2) (2 1) (2 3) (3 2) (3 4) (4 3) (4 5) (5 4) (5 6) (6 5) 10
2 (1 3) (2 4) (3 1) (3 5) (4 2) (4 6) (5 3) (6 4) 8
6+10+8=24
092
5 4
5_4=20 20
093
4_2=8 8
100 2 2 2 1 1 1
50 1 1 1 1 1 1
10 3 2 1 3 2 1
280 270 260 180 170 160
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094
A P 3
P B 2
3_2=6
095
4_3=12 12
096
2
6 1 2 3 6 4
2_4=8
097
2 2_2_2=8
098
⁄ 3
¤ 3_2_1=6
⁄ ¤ 3+6=9
099
7_6_5=210 210
100
⁄A A 3
3_2_1=6
¤A C D
A 2
2_(2_1)=4
‹A B C D A
2_1=2
⁄ ¤ ‹ 6+4+2=12
A
P B
A
P B A
P B
A
P B A
P B
101
1 3
3_2_1=6
3_2_1=6 6_6=36
102
⁄4 3_2=6
¤34 342 341 2
9 324 10 321 321
103
0 2 4
⁄ 0 5_4=20
¤ 2 4_4=16
‹ 4 4_4=16
⁄ ¤ ‹ 20+16+16=52
104
10_9_8=720
105
10 2
=45 45
106
2 =6
1 3
6_3=18
107
A 5
B A 4
C A B 3
D A C 3
E A D 3
5_4_3_3_3=540
108
7 3
=35
A B C
35-1=34 7_6_5
3_2_1
4_3 2 10_9
2
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109
2 3 5 7 11 13 17 19 8 3 6 9 12 15 18 6 3 1
8+6-1=13 13
110
1 3 5 7 9 11 13 15 8 yy
7 7 14 2 yy
7 7 1
yy
8+2-1=9 yy
9
111
2_1=2 3_2_1=6 3_2_1=6
2_6_6=72 72
112
2 4 1 2
2_1=2 yy
2_1=2 yy
4_3_2_1=24 yy
2_2_24=96 yy
96
113
3_2_1=6 2_1=2
bcad 6+2=8 bcad 9
9
114
⁄a 3_2_1=6 yy
¤b 3_2_1=6 yy
‹ca 2_1=2 yy
cbad 6+6+2=14 cbad 15
yy 15 3단계
2단계 1단계 4단계 3단계 2단계 1단계 4단계 3단계 2단계 1단계
109
13110
9111
72112
96113
9114
15술형 24 서 콕콕
2. 확률
Ⅰ. 확률
115
1 2 4 3 10 3 ;1£0;
116
2_2=42
;4@;=;2!; 4 2 ;2!;
117
3+4=7 4
;7$; ;7$;
118
1
0
;5@; 1 0
119
1 0
12 1
0 1
120
=1-
=1-;5@;=;5#;
B =1- A
B =1-;7#;=;7$; ;5#; ;7$;
121
6 6 12 2 ;1™5;
6 =1- 6
6 =1-;1™5;=;1!5#; ;1™5; ;1!5#;
개념콕콕 27 29
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130
6_6=36
7 (1 6) (2 5) (3 4) (4 3) (5 2) (6 1) 6
;3§6;=;6!;
131
2_2_2=8
2
;8@;=;4!;
132
5_4=20
41 41 42 43 45 51 52 53 54 8
;2•0;=;5@; ;5@;
133
5_4_3_2_1=120
C D (4_3_2_1)_2=48
;1¢2•0;=;5@;
130 131 132
;5@;133
134 135
;1¡2;136
;1∞2;137
5138 139 140 141
142
;4#;143
;3@;144 145
146 147
;4#;148
;1¶0;149
150
;2¶5;151
;1£0;152
;1ª6;153
;1∞4;154
;2!5^;155
;4!;156
;5$;157
;2!1);158
;2!0!;159
;1∞2;160
;2ª0;161
162
;9@;163
;5!;164
;9%;165
;3¶0;166 167
;3!5#;168
;1¶5;169
;5#;170 171
;3@5#;172
;1!6%;173
;5#;174
;4#;175
;3@;176
;3!;177
178
;1¡0;179
;7%;180 181
;3!!;182 183
;6!;유형콕콕 30 36
122
2_2=4
1
;4!;
=1- =1-;4!;=;4#; ;4!; ;4#;
123
= +
=;9%;+;9!;=;9^;=;3@; ;9%; ;9!; ;3@;
124
5 5 10 15 20 4 ;2¢0;
6 6 12 18 3 ;2£0;
;2¢0;+;2£0;=;2¶0; ;2¶0;
125
3 3 6 2 ;6@;=;3!;
;3!;_;2!;=;6!; ;3!; ;2!; ;6!;
126
;5#;_;3!;=;5!; ;5!;
127
;8^;_;8^;=;1ª6;
;8^;_;7%;=;2!8%; ;1ª6; ;2!8%;
128
;9$;_;9%;=;8@1);
;9$;_;8%;=;1∞8; ;8@1); ;1∞8;
129
2 2 4 6 3 ;6#;=;2!;
2 3 5 3 ;6#;=;2!;
6 1 2 3 6 4
;6$;=;3@; ;2!; ;2!; ;3@;
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134
=21
2 =3
;2£1;=;7!;
135
6_6=36
2x-y=3 (x y) (2 1) (3 3) (4 5) 3
;3£6;=;1¡2; ;1¡2;
136
6_6=36 yy
x+2y<10 (x y) (1 1) (1 2) (1 3) (1 4) (2 1) (2 2) (2 3) (3 1) (3 2) (3 3) (4 1) (4 2) (5 1) (5 2) (6 1) 15 yy
;3!6%;=;1∞2; yy
;1∞2;
137
3+4+x=7+x
;4!; =;4!;
7+x=12 x=5
5 5
138
p 1-p
139
;2!; 0 ;5#;
2_2=4
2
;4@;=;2!;
140
q=1-pA + A =1
p+q=1
3 7+x 3_2
2 7_6
2
141
6_6=36
(1 1) (2 2) (3 3) (4 4) (5 5) (6 6) 6
;3§6;=;6!;
=1-
=1-;6!;=;6%;
142
20
4 4 8 12 16 20 5
;2∞0;=;4!;
4 =1- 4
5 =1-;4!;=;4#; ;4#;
143
=15 yy
A A 5 1
5 yy
A ;1∞5;=;3!; yy
A =1- A
A =1-;3!;=;3@; yy
;3@;
144
5_4_3_2_1=120
A 4_3_2_1=24
;1™2¢0;=;5!;
A =1- A
A =1-;5!;=;5$;
145
=21
4 2 =6
;2§1;=;7@;
=1-
=1-;7@;=;7%;
4_3 2 7_6
2 6_5
2
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151
;3§0;
;3£0;
;3§0;+;3£0;=;3ª0;=;1£0; ;1£0;
152
4_4=16
⁄20 10 12 13 14 20 5
⁄;1∞6;
¤40 40 41 42 43 4 ;1¢6;
⁄ ¤ ;1∞6;+;1¢6;=;1ª6; ;1ª6;
153
A ;7$;
B ;8%;
;7$;_;8%;=;1∞4; ;1∞4;
154
80 % ;1•0º0;=;5$;
;5$;_;5$;=;2!5^; ;2!5^;
155
1 3 5 3 ;6#;=;2!;
4 1 2 4 3 ;6#;=;2!;
;2!;_;2!;=;4!; ;4!;
156
= A B
=1- A B
=1-{1-;2!;}_{1-;5#;}
=1-;2!;_;5@;=1-;5!;=;5$; ;5$;
157
A B
;6$;_;7#;=;7@;
146
2_2_2=8
1 ;8!;
=1-
=1-;8!;=;8&;
147
6_6=36 yy
3_3=9 yy
;3ª6;=;4!; yy
=1-
=1-;4!;=;4#; yy
;4#;
148
=10
=3
;1£0;
=1-
=1-;1£0;=;1¶0; ;1¶0;
149
6_6=36
⁄ 3 (1 2) (2 1) 2
;3™6;
¤ 8 (2 6) (3 5) (4 4) (5 3)
(6 2) 5 ;3∞6;
⁄ ¤ ;3™6;+;3∞6;=;3¶6;
150
6 6 12 18 24 4 ;2¢5;
7 7 14 21 3 ;2£5;
;2¢5;+;2£5;=;2¶5; ;2¶5;
3_2 2 5_4
2
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A B
;6@;_;7$;=;2¢1;
;7@;+;2¢1;=;2!1); ;2!1);
158
A;2!;_;5#;=;1£0;
B
;2!;_;4@;=;4!;
;1£0;+;4!;=;2!0!; ;2!0!;
159
;2!;_;6#;=;4!; yy
3
;2!;_;6@;=;6!; yy
;4!;+;6!;=;1∞2; yy
;1∞2;
160
a+b a b a b
⁄a b ;5#;_;4!;=;2£0;
¤a b {1-;5#;}_{1-;4!;}=;5@;_;4#;=;1£0;
⁄ ¤
;2£0;+;1£0;=;2ª0; ;2ª0;
161
;1¢0;=;5@;
;1¢0;=;5@;
;5@;_;5@;=;2¢5;
162
;1!5);=;3@;
;1∞5;=;3!;
;3@;_;3!;=;9@; ;9@;
163
6 1 2 3 6 4
;1¢0;=;5@; yy
1 3 5 7 9 5
;1∞0;=;2!; yy
;5@;;_;2!;=;5!; yy
;5!;
164
=1-
=1-;9^;_;9^;
=1-;9$;=;9%; ;9%;
165
;1£0;
;9&;
;1£0;_;9&;=;3¶0; ;3¶0;
166
;5@;
;4#;
;5@;_;4#;=;1£0;
167
=1-
=1-;1!5@;_;1!4!;
=1-;3@5@;=;3!5#; ;3!5#;
168
⁄ ;1§0;_;9%;=;3!;
¤ ;1¢0;_;9#;=;1™5;
⁄ ¤
;3!;+;1™5;=;1¶5; ;1¶5;
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⁄ 3
¤;2£7;=;9!;
¤ 3_2_1=6
¤ ;2§7;=;9@;
⁄ ¤
;9!;+;9@;=;9#;=;3!; ;3!;
177
=1-
=1-{1-;3@;}_{1-;5$;}
=1-;3!;_;5!;
=1-;1¡5;=;1!5$;
178
{1-;4#;}_{1-;5#;}=;4!;_;5@;=;1¡0; ;1¡0;
179
= yy
=1- yy
=1-{1-;3!;}_{1-;4!;}_{1-;7#;} yy
=1-;3@;_;4#;_;7$;=1-;7@;=;7%; yy
;7%;
180
⁄
⁄;5@;_{1-;5@;}=;5@;_;5#;=;2§5;
¤
⁄{1-;5@;}_;5@;=;5#;_;5@;=;2§5;
⁄ ¤
;2§5;+;2§5;=;2!5@;
181
p_6¤ =36p(cm¤ )
p_4¤ -p_2¤ =16p-4p=12p(cm¤ )
=;3!; ;3!;
12p 36p
169
⁄A ;5$;_{1-;3!;}=;5$;_;3@;=;1•5;
¤B {1-;5$;}_;3!;=;5!;_;3!;=;1¡5;
⁄ ¤
;1•5;+;1¡5;=;1ª5;=;5#; ;5#;
170
;5@;_{1-;3@;}=;5@;_;3!;=;1™5;
171
=1- yy
=1-{1-;5@;}_{1-;7#;} yy
=1-;5#;_;7$;
=1-;3!5@;=;3@5#; yy
;3@5#;
172
=1-
=1-;2!;_;2!;_;2!;_;2!;
=1-;1¡6;=;1!6%; ;1!6%;
173
=1-
=1-;5#;_;3@;
=1-;5@;=;5#; ;5#;
174
{1-;8!;}_{1-;7!;}=;8&;_;7^;=;4#; ;4#;
175
3_3=9
3 ;9#;=;3!;
1-;3!;=;3@; ;3@;
176
3_3_3=27
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184 185
;8%;186
;3∞6;187 188 189
;6%;190
;5#;191
192
;3¶6;193 194 195
;3!5&;196 197
A 48 B 16198
;2¡5;199
6200
;5£2;201
202 203
;5#;204 205
;1!5$;206
;4!0!;207
;1∞6;실력콕콕 37 39
184
6_6=36
2 (1 3) (2 4) (3 1) (3 5) (4 2) (4 6) (5 3) (6 4) 8
;3•6;=;9@;
185
4_4=16
0 2 4
⁄ 0 10 20 30 40 4
¤ 2 12 32 42 3
‹ 4 14 24 34 3
⁄ ¤ ‹ 4+3+3=10
;1!6);=;8%; ;8%;
182
;1§6;=;8#;
;8#;_;8#;=;6ª4;
183
A 3 3 6 2
;6@;=;3!;
B 8 1 2 4 8 4
;8$;=;2!;
;3!;_;2!;=;6!; ;6!;
186
6_6=36
y
a=2 b+5 (a b) (2 1)
(2 2) (2 3) (2 4) (2 6) 5
;3∞6; ;3∞6;
187
2_2_2=8
P 1 2
1 3
;8#;
188
p 0…p…1
189
6_5=30
(1 1) (2 2) (3 3) (4 4) (5 5) 5 ;3∞0;=;6!;
=1-
=1-;6!;=;6%; ;6%;
190
5_4_3_2_1=120
B E (4_3_2_1)_2=48
;1¢2•0;=;5@;
B E =1- B E
B E =1-;5@;=;5#; ;5#;
191
6_6=36
2 5_5=25
;3@6%;
2
=1- 2
=1-;3@6%;=;3!6!;
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{1-;4!;}_;5!;=;4#;_;5!;=;2£0;
;1¡6;+;2£0;=;8!0&;
197
A 4 A
4 B 5 A
;2!;+;2!;_;2!;=;2!;+;4!;=;4#;
B 4 B 5 B
;2!;_;2!;=;4!;
A 64_;4#;=48 B
64_;4!;=16 A 48 B 16
198
A ;1™0;=;5!;
B ;1™0;=;5!;
;5!;_;5!;=;2¡5; ;2¡5;
199
x
=1-
;1¶6;=1-;8{;_;8{; =;1ª6; x¤ =36 x=6
6 6
200
;4!0);=;4!;
;3ª9;=;1£3;
;4!;_;1£3;=;5£2; ;5£2;
201
⁄
;6$;_;5@;=;1¢5;
x¤
64
4 5
A A
B A A
B B
192
6_6=36
⁄ 4 (1 3) (2 2) (3 1) 3
;3£6;
¤ 4 (1 5) (2 6) (5 1) (6 2) 4
;3¢6;
⁄ ¤
;3£6;+;3¢6;=;3¶6; ;3¶6;
193
2 2 4 6 8 10 12 14 7
;1¶5;
5 5 10 15 3 ;1£5;
2 5 10 1
;1¡5;
;1¶5;+;1£5;-;1¡5;=;1ª5;=;5#;
A B
A B
= A + B
- A B
194
ab a b
{1-;4#;}_{1-;5!;}=;4!;_;5$;=;5!;
195
A B
;5#;_;7#;=;3ª5;
A B
;5@;_;7$;=;3•5;
;3ª5;+;3•5;=;3!5&; ;3!5&;
196
;4!;_;4!;=;1¡6;
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¤
;6@;_;5$;=;1¢5;
⁄ ¤
;1¢5;+;1¢5;=;1•5;
202
=1-
=1-{1-;3@;}_{1-;4!;}_{1-;5!;}
=1-;3!;_;4#;_;5$;
=1-;5!;=;5$;
203
=1-
=1-{1-;5@;}_{1-;3!;}
=1-;5#;_;3@;
=1-;5@;=;5#; ;5#;
204
3_3_3=27
⁄
3 ;2£7;=;9!;
¤
3
;2£7;=;9!;
‹
3
;2£7;=;9!;
⁄ ¤ ‹
;9!;+;9!;+;9!;=;9#;=;3!;
205
=1-
=1-
=1-{1-;5!;}_{1-;3@;}_{1-;4#;}
=1-;5$;_;3!;_;4!;
=1-;1¡5;=;1!5$; ;1!5$;
208
5_4_3_2_1=120 (3_2_1)_2=12
;1¡2™0;=;1¡0; ;1¡0;
209
6_5_4_3_2_1=720 yy
2
(4_3_2_1)_2=48 yy
;7¢2•0;=;1¡5; yy
;1¡5;
3단계 2단계 1단계
208
;1¡0;209
;1¡5;210
;3!;211
;1∞8;212
;3!5*;213
;1¶5;술형 40 서 콕콕
206
⁄A B C
;5@;_;4!;_{1-;2!;}=;5@;_;4!;_;2!;=;2¡0;
¤A C B
;5@;_{1-;4!;}_;2!;=;5@;_;4#;_;2!;=;2£0;
‹B C A
{1-;5@;}_;4!;_;2!;=;5#;_;4!;_;2!;=;4£0;
⁄ ¤ ‹
;2¡0;+;2£0;+;4£0;=;4!0!; ;4!0!;
207
4_4=16
3 (1 2) (2 1) 2
;1™6;
6 (2 4) (3 3) (4 2) 3
;1£6;
;1™6;+;1£6;=;1∞6; ;1∞6;
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1. 이등변삼각형과 직각삼각형
Ⅱ. 삼각형의 성질
214
x=;2!;_(180˘-50˘)=65˘
x=180˘-2_55˘=70˘
ACB=180˘-105˘=75˘
x=180˘-2_75˘=30˘
ACB=;2!;_(180˘-68˘)=56˘
x=180˘-56˘=124˘ 65˘ 70˘ 30˘ 124˘
215
BD”=CD”=;2!; BC”=;2!;_10=5(cm) x=5
AD” BC” ADC=90˘ x=90 5 90
216
B= C ABC AB”=AC”
x=7
B=180˘-(65˘+50˘)=65˘ A= B
ABC CA”=CB” x=9
7 9
217
ABC C=180˘-(30˘+90˘)=60˘
ABC EFD
AC”=ED” B= F=90˘ C= D ABC™ EFD RHA
DF”=CB”=4(cm)
ABC™ EFD RHA 4 cm
218
ABC EDF
AB”=ED” C= F=90˘ AC”=EF”
ABC™ EDF RHS BC”=DF”=8(cm)
ABC™ EDF RHS 8 cm
219
AOP BOP
OAP= OBP=90˘ AOP= BOP OP”
AOP™ BOP RHA
개념콕콕 43
210
6_6=36
P C 2 5
8 11
⁄ 2 (1 1) 1
⁄ ;3¡6;
¤ 5 (1 4) (2 3) (3 2)
(4 1) 4 ;3¢6;
‹ 8 (2 6) (3 5) (4 4)
(5 3) (6 2) 5 ;3∞6;
› 11 (5 6) (6 5) 2
;3™6;
;3¡6;+;3¢6;+;3∞6;+;3™6;=;3!6@;=;3!; ;3!;
211
6_6=36 yy
P D 3 7 11
yy
⁄ 3 (1 2) (2 1) 2
;3™6;
¤ 7 (1 6) (2 5) (3 4) (4 3)
(5 2) (6 1) 6 ;3§6;
‹ 11 (5 6) (6 5) 2
;3™6; yy
⁄ ¤ ‹
;3™6;+;3§6;+;3™6;=;3!6);=;1∞8; yy
;1∞8;
212
;1§5;_;1ª4;=;3ª5;
;1ª5;_;1§4;=;3ª5;
;3ª5;+;3ª5;=;3!5*; ;3!5*;
213
;1£0;_;9&;=;3¶0; yy
;1¶0;_;9#;=;3¶0; yy
;3¶0;+;3¶0;=;3!0$;=;1¶5; yy
;1¶5;
3단계 2단계 1단계 4단계 3단계 2단계 1단계
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AP”=BP”=3(cm) OB”=OA”=5(cm)
x=3 y=5 x=3 y=5
220
AOP BOP
OAP= OBP=90˘ PA”=PB” OP”
AOP™ BOP RHS BOP= AOP=24˘
POB x=180˘-(24˘+90˘)=66˘ 66˘
221
ABC AB”=AC”
ACB= B=68˘
BCD BC”=DC”
BCD=180˘-2_68˘=44˘
ACD= ACB- BCD=68˘-44˘=24˘
222
AC” SAS
221 222 223
54˘224
45˘225 226
47˘227 228
229
38˘230
60 cm¤231
CAD AD”” SAS ADC 90232 233 234 235
236 237
120˘238
36˘239 240 241 242
99˘243
29˘244
245
ACB PCB PC”246
6 cm247 248
10 cm249
8 cm250
7 cm251
5 cm252
20 cm253 254
54˘255 256
5 cm257
50258
259
DE” B D ASA260 261 262
263
72 cm¤264
265
90 CM” B RHA266
9 cm267
50 cm¤268
4 cm269
40 cm¤270
56˘271
24272
63˘273
24 cm274 275 276
25˘277
5 cm278
30˘279
5 cm280
8 cm¤유형콕콕 44 52
223
ABC AB”=AC”
C= B= x+36˘
2 x+( x+36˘)+( x+36˘)=180˘
4 x=108˘ x=27˘
A=2 x=2_27˘=54˘ 54˘
224
ABC AB”=AC”
ABC=;2!;_(180˘-30˘)=75˘
ABD AD”=BD”
ABD= A=30˘
DBC= ABC- ABD=75˘-30˘=45˘ 45˘
225
ABC AB”=AC”
C=;2!;_(180˘-50˘)=65˘
AD” BC” DAC= C=65˘
226
ABC AB”=AC”
ACB=;2!;_(180˘-54˘)=63˘ yy DCE DC”=DE”
DCE=;2!;_(180˘-40˘)=70˘ yy ACD=180˘-(63˘+70˘)=47˘ yy
47˘
227
BDE= CDE= x BED BE”=DE”
DBE= BDE= x
BCD 3 x+90˘=180˘ 3 x=90˘ x=30˘
DEC DEC=180˘-(30˘+90˘)=60˘
228
AD” A BD”=CD” AD” BC”
ADC CAD= BAD=34˘ ADC=90˘
C=180˘-(34˘+90˘)=56˘ x=56 CD”=BD”=3(cm) y=3
x+y=56+3=59
229
AD” BC” AD” BC”
ABD x=180˘-(52˘+90˘)=38˘ 38˘
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236
ABC AB”=AC” ACB= B=35˘
CAD= B+ ACB=35˘+35˘=70˘
ACD CA”=CD” CDA= CAD=70˘
BCD
DCE= B+ CDB=35˘+70˘=105˘
237
ABC AB”=AC”
B=;2!;_(180˘-100˘)=40˘ yy
ACD CA”=CD”
D= CAD=180˘-100˘=80˘ yy
BCD
DCE= B+ D=40˘+80˘=120˘ yy
120˘
238
A= xABD AD”=BD” ABD= A= x
BDC= A+ ABD= x+ x=2 x
BCD BC”=BD” C= BDC=2 x
ABC AB”=AC”
ABC= C=2 x
x+2 x+2 x=180˘
5 x=180˘ x=36˘
A=36˘ 36˘
239
ACB BA”=BC” BCA= A=20˘
CBD= A+ BCA=20˘+20˘=40˘
BCD CB”=CD” CDB= CBD=40˘
ACD DCE= A+ CDA=20˘+40˘=60˘
DCE DC”=DE” DEC= DCE=60˘
AED
FDE= A+ DEA=20˘+60˘=80˘
240
A= xAED DA”=DE” DEA= A= x
EDC= A+ DEA= x+ x=2 x
DEC ED”=EC” ECD= EDC=2 x
AEC CEB= A+ ECA= x+2 x=3 x
CEB CE”=CB” B= CEB=3 x
ABC x+3 x+120˘=180˘
4 x=60˘ x=15˘
A=15˘
230
AD” A AD” BC”
AD” ABC
ABC=;2!;_15_8=60(cm¤ ) 60 cm¤
231
CAD AD”” SAS ADC 90
232
B= C=;2!;_(180˘-84˘)=48˘
AD” A AD”⊥BC”
ADC=90˘
BD”=;2!; BC”=;2!;_16=8(cm) AD”
233
ABD ACD
AB”=AC” BAD= CAD AD”
ABD™ ACD SAS BD”=CD” AD” BC”
ABP ACP
AB”=AC” BAP= CAP AP”
ABP™ ACP SAS PB”=PC”
234
B= xABC AB”=AC”
ACB= B= x
CAD= B+ ACB= x+ x=2 x ACD CA”=CD”
D= CAD=2 x
BCD B+ D=108˘
x+2 x=108˘ 3 x=108˘ x=36˘
B=36˘
235
ADC AD”=CD”
DAC= C=52˘
BDA= DAC+ C
=52˘+52˘=104˘
ABD AD”=BD”
x=;2!;_(180˘-104˘)=38˘
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241
ABC AB”=AC”
ABC= ACB=;2!;_(180˘-40˘)=70˘
DBC=;2!; ABC=;2!;_70˘=35˘
ACE=180˘-70˘=110˘
DCE=;2!; ACE=;2!;_110˘=55˘
BCD
x= DCE- DBC=55˘-35˘=20˘
242
ABC AB”=AC”
ABC=;2!;_(180˘-48˘)=66˘
ABD=;2!; ABC=;2!;_66˘=33˘
ABD ADB=180˘-(48˘+33˘)=99˘ 99˘
243
ABC AB”=AC”
ABC= ACB=;2!;_(180˘-52˘)=64˘ yy DCE=;2!; ACE=;2!;_(180˘-64˘)=58˘ yy BCD CB”=CD” DBC= CDB= x yy
DBC+ CDB= DCE
2 x=58˘ x=29˘ yy
29˘
244
ASA245
ACB PCB PC”
246
ABC AB”=AC”
B= ACB=;2!;_(180˘-36˘)=72˘
ACD= DCB=;2!; ACB=;2!;_72˘=36˘
A= ACD ADC AD”=CD”
BCD BDC=180˘-(72˘+36˘)=72˘
B= BDC
BCD BC”=DC”
AD”=CD”=BC”=6(cm) 6 cm
247
ABC A=180˘-(68˘+56˘)=56˘
A= C ABC BC”=AB”=12(cm)
248
ABC A=125˘-70˘=55˘
ACB=180˘-125˘=55˘
A= ACB ABC
AB”=BC”=10(cm) 10 cm
249
B= C ABC AB”=AC”
AB”=;2!;_(23-7)=8(cm) 8 cm
250
ABC AB”=AC” ABC= ACB
DBC=;2!; ABC DCB=;2!; ACB DBC= DCB
BCD
BD”=CD”=7(cm) 7 cm
251
BCD DCB= ADC- B=76˘-38˘=38˘
B= DCB BCD
DC”=DB”=5(cm)
ABC A=180˘-(38˘+66˘)=76˘
ADC= A ADC
AC”=DC”=5(cm) 5 cm
252
ABC C=180˘-(30˘+90˘)=60˘
BCD DB”=DC”
DBC= C=60˘
BDC=180˘-(60˘+60˘)=60˘ BCD
DC”=BD”=BC”=10(cm) yy
ABD=90˘-60˘=30˘
A= ABD ABD
AD”=BD”=10(cm) yy
AC”=AD”+DC”=10+10=20(cm) yy 20 cm
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259
DE” B D ASA
260
RHA RHS
261
EDF262
RHS SAS ASA
A= D B=90˘- A=90˘- D= E ASA
263
ABD CAE
AB”=CA” BDA= AEC=90˘
DBA+ DAB=90˘ DAB+ EAC=90˘
DBA= EAC
ABD™ CAE RHA
AD”=CE”=7(cm) AE”=BD”=5(cm) DBCE =;2!;_(5+7)_(7+5)
DBCE =72(cm¤ ) 72 cm¤
264
AMC BMD
A’MÚ=B’MÚ ACM= BDM=90˘
AMC= BMD AMC™ BMD RHA DM”=CM”=5(cm) x=5
AMC= BMD=25˘ AMC
A=90˘-25˘=65˘ y=65 x+y=5+65=70
265
90 CM” B RHA
266
ABD CAE
AB”=CA” BDA= AEC=90˘
DBA+ DAB=90˘ DAB+ EAC=90˘
DBA= EAC
ABD™ CAE RHA yy
253
ABC B= C
AC”=AB”=12(cm)
AP” ABC= ABP+ ACP
60=;2!;_12_PQ”+;2!;_12_PR”
60=6(PQ”+PR”) PQ”+PR”=10(cm)
254
DEG= FEG DEG= FGE
FEG= FGE
EFG FE”=FG”
x=;2!;_(180˘-72˘)=54˘ 54˘
255
GEF= FEC GFE= FEC
GEF= GFE EFG GE”=GF”
256
DEG= FEG DEG= FGE
FEG= FGE
EFG FE”=FG”
EF”=FG”=5(cm) 5 cm
257
ABC= CBD=70˘ ACB= CBD=70˘
ABC= ACB=70˘
ABC AB”=AC” yy
BAC=180˘-2_70˘=40˘ x=40 yy
AB”=AC”=10(cm) y=10 yy
x+y=40+10=50 yy
50
258
RHS SAS RHA ASA
RHS RHA
SAS ASA
A
B
Q R
P C
12 cm