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2

  1. SABC , AB=13 BC=5. AS BC, SB 9.
  2. 4, 3. .
  3. SABC = . SA BC, SA=
  4. SABC . S , : AS=10, BS=7, CS=8. AS BC.
  5. 3 . , .
  6. SABC =3 =5. SA BC 3. SA, .
  7. SABC , , 13 , 12. S . CS AS BC.
  8. 4 . .
  9. SABC =3 =5. SA BC, SA=7.
  10. SABC , , 12 , 8. S . AS 13. AS .
  11. 3, . .
  12. SABC =6. SA , 4.
  13. . ( ) 20 60 . C , =6.
  14. , . . AB C 60. ( ) ?
  15. DA B C D 2 . .
  16. , , , 30. . .
  17. 5 , 60. , .
  18. , 24, 15. , 8, , . .
  19. BCDA B C D ABCD, =12, AD= . , AD BD , B D 5.
  20. , 1, .
  21. ABCDA B C D D.
  22. ABCDA B C D AC .
  23. SABCD 1, SAD. .
  24. SAF, 2, - 1, SAF.
  25. 1, .
  26. ABCDA B C D ABCD, =5, AD= . D D , D B D, BD .
  27. SABC : =8 , SC=17. , , AS .
  28. SABC : =20 , SC=29. , , SBC.
  29. SABC : =30 , SC=34. , AS .
  30. SABC : =12 , SC=13. , , SBC.
  31. ABCDA B C D , =6, =6, =4, ACD .
  32. ABCDA B C D , =4, =6, =4, CDD BDA .
  33. ABCDA B C D 1. BD .
  34. ABCDA B C D 1. AD .
  35. ABCDA B C D , = 4, D = 6, C D = 6, DD EF, .
  36. ABCDA B C D , =4, =6, C =4, EF, D .
  37. ABCDA B C D . 1. D .
  38. ABCDA B C D . D D .
  39. SABC : =5 , SC=13. , , AS .
  40. DA B C D . , AD CD .
  41. PABCD . BDP, .
  42. PABCD . , , .
  43. ABCDA B C D N - CD, =3, =2, =2. N .
  44. ABCDA B C D - C , =3, =4, =2. BMD .

45. 12. , .

46. . , 4.

  1. ABCD DC. .
  2. SABCD 1. SC. .
  3. SABCD, 1, . F - SB SC . BF.
  4. ABCDA B C D , , =3, = 4, = 6.
  5. ABCDA B C D , , =12, =6, =5.
  6. ABCDA B C D , D D, DD =8, D =6, D C =6.
  7. ABCDA B C D , , =6, =8, =8.

 

 



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