Question

A. Find the base of a triangle whose area is
$90 {cm}^{2} and \: height \: is \: 12 {cm}$

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Answer 1

Answer:

according to question :-

area of triangle = 1/2 base * height

so 90 = 1/2 * base * 12

90 = base * 6

90/6 = base

15 cm = base

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