class 8 math lesson 07(geometry)
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- 1. 1 1
- 2. 07
- 3.
- 4.
- 5. 3 4 5 32+42=52 9+16=25
- 6. ...
- 7. . ,
- 8. () () , () BC D , ABC 90C 222 CBACAB ABC 90C 2222 BCADCDAB
- 9. C B A a b c () ? () ? () a=3,b=4 , c=?
- 10. . ( )
- 11.
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