Question

A play ground is in a shape of rectangle. The length of rectangle is three times it's breadth and its area is 1728sq.mts. Find the perimeter of the rectangle?

Answer 1

let Length = 3x m

Breadth= x m

Area = 1728

3x *x = 1728

3x²=1728

x²=576

x=√576

x=24

therefore length = 24× 3 = 72 m

breadth= 24m

perimeter = 2(l+b)

= 2(24+72)

= 192m

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