Question

The length of a rectangular field is 6m more than its width and the perimeter of the field is 72m. What are the length and the width

Answer 1

Let the breadth of rectangle(b) = x m

then length(l) = (2x-8) m

A/q,

perimeter of rectangle = 56 m

⇒ 2(l+b) = 56

⇒ 2(2x-8+x) = 56

⇒ 3x-8 = 28

⇒ 3x =28+8

⇒ x = 36/3 = 12 m

therefore length(l) = 2x-8 =2×12 - 8 =16 meters

breadth(b) = x = 12 meters

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