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If the perimeter of a rectangle is 150 m and its length is 56 m , Find its width.

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15 m

19 m

24 m

30 m

answer is B.

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Detailed Solution

Given, Perimeter , P = 150 m

Length = 56 m

Let width be x m.

Perimeter = 2 (l + b)

150 = 2 (56 + x)

150 = 112 + 2x

2x = 150 - 112

x = $\frac{38}{2}$ = 19 m

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