I need help on this question the one I corcled

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asked Jun 20, 2018 230k views

1 Answer

Anoush · Answer 1 · 2018-06-26T15:24:04+0000

A = 1/2 * b * h
50 = 1/2 * b * 5
divide both sides by 5
10 = 1/2 * b
multiply 2 on both sides
20 = b
b = 20 km

CHECK
A = 1/2 * 20 * 5
A = 10 * 5
A = 50 km^2

I need help on this question the one I corcled

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