Exercise53

A triangle’s area can be calculated by the formula \(A=\frac{1}{2}bh\text{,}\) where \(A\) stands for area, \(b\) for base and \(h\) for height.

Find the triangle’s area if \(b={21\ {\rm ft}}\) and \(h={10\ {\rm ft}}\text{.}\)

Area =

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