leongresh leongresh

14-02-2021
Mathematics

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A triangular flag has an area of 22 cm². Jon measures the height as 8 cm, what is the base length?

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HajirahBibi HajirahBibi

14-02-2021

The base length is 5.5 cm.

Explanation:

Area of triangle = base x height x 1/2

Let b cm be the base length of the triangular flag.

22 = b x 8 x 1/2

22 x 2 ÷ 8 = b

b = 44 ÷ 8

b = 5.5

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