- SABC , AB=13 BC=5. AS BC, SB 9.
- 4, 3. .
- SABC = . SA BC, SA=
- SABC . S , : AS=10, BS=7, CS=8. AS BC.
- 3 . , .
- SABC =3 =5. SA BC 3. SA, .
- SABC , , 13 , 12. S . CS AS BC.
- 4 . .
- SABC =3 =5. SA BC, SA=7.
- SABC , , 12 , 8. S . AS 13. AS .
- 3, . .
- SABC =6. SA , 4.
- . ( ) 20 60 . C , =6.
- , . . AB C 60. ( ) ?
- DA B C D 2 . .
- , , , 30. . .
- 5 , 60. , .
- , 24, 15. , 8, , . .
- BCDA B C D ABCD, =12, AD= . , AD BD , B D 5.
- , 1, .
- ABCDA B C D D.
- ABCDA B C D AC .
- SABCD 1, SAD. .
- SAF, 2, - 1, SAF.
- 1, .
- ABCDA B C D ABCD, =5, AD= . D D , D B D, BD .
- SABC : =8 , SC=17. , , AS .
- SABC : =20 , SC=29. , , SBC.
- SABC : =30 , SC=34. , AS .
- SABC : =12 , SC=13. , , SBC.
- ABCDA B C D , =6, =6, =4, ACD .
- ABCDA B C D , =4, =6, =4, CDD BDA .
- ABCDA B C D 1. BD .
- ABCDA B C D 1. AD .
- ABCDA B C D , = 4, D = 6, C D = 6, DD EF, .
- ABCDA B C D , =4, =6, C =4, EF, D .
- ABCDA B C D . 1. D .
- ABCDA B C D . D D .
- SABC : =5 , SC=13. , , AS .
- DA B C D . , AD CD .
- PABCD . BDP, .
- PABCD . , , .
- ABCDA B C D N - CD, =3, =2, =2. N .
- ABCDA B C D - C , =3, =4, =2. BMD .
45. 12. , .
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46. . , 4.
- ABCD DC. .
- SABCD 1. SC. .
- SABCD, 1, . F - SB SC . BF.
- ABCDA B C D , , =3, = 4, = 6.
- ABCDA B C D , , =12, =6, =5.
- ABCDA B C D , D D, DD =8, D =6, D C =6.
- ABCDA B C D , , =6, =8, =8.