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GuDViN [60]
2 years ago
13

Whoever does it I will Give a special thanks to them. Just answer 4.

Mathematics
1 answer:
Stolb23 [73]2 years ago
4 0
For this question you have to solve the equation backwards.
A = 1/2 x (b1 + b2) x h
In order to get rid of the 1/2 (since it's division) multiply each side by 2
now we have: 2A = (b1 + b2) x h
Now do the same to the get rid of the (b1 + b2) (divide each side by it)
2A/(b1 + b2) = h
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