class 8 math lesson 04(geometry)
Post on 14-Aug-2015
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- 1. 1 1
- 2. 04
- 3.
- 4. c d b a D A EB F x C
- 5. ...
- 6. -.(Extra-) C DA B E a b a a a a : , a b b
- 7. a b C DA B E a a a a b : BE BE BD=b B a BD , D a BD A C A,B; B,C; C,D D,A , ABCD-
- 8.
- 9. 1. 4 . . 5 . .6 . .
- 10. 1 4 . . 3 . . . . . 60
- 11.
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