Question

Find the base of a traingle with area 20dm² and height 12 1/2dm
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Answer 1

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Answer:

32 dm

Explanation:

Use the formula for the area of a triangle, and solve for the unknown.

A = 1/2bh

200 dm² = 1/2(12.5 dm)b

b = (200 dm²)/(6.25 dm) = 32 dm

The base of the triangle is 32 dm.