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Area of Square

A rectangular...

Question

A rectangular field is 10 m long and 8 m wide . Find the cost of erecting a fence of barbed wire all boundary at the rate of rs 15 per m .

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Solution

Perimeter of field $= 2 (l + b) = 2 (10 + 8) = 36 m$
Cost of erecting $= R s (36 \times 15) = R s .540$

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