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13 December, 09:03

The formula for the area of a triangle is A = 1 2 bh, in which b represents the length of the base and h represents the height. If a triangle has an area of 138 mm2 and the height is 12 mm, what is the measure of the base?

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  1. 13 December, 09:22
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    Area of a triangle = (1/2) (base) (height).

    Here, 2 (area of triangle) = (base) (height), so base = 2 (area of triangle) / height.

    For this particular triangle, the base is 2 (138 mm^2) / (12 mm), or base = 23 mm
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