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miss Akunina [59]
3 years ago
9

Can someone help me with 5, 8 and 9?

Mathematics
1 answer:
worty [1.4K]3 years ago
8 0

5. b1= 8, b2= 11+9=20, h= 15, A= 210

8. b1= 4, b2= 10, h= 5.2, A= 36.4

9. b1= 7, b2= 13, h= 4.2, A= 42

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