Question

The ratio between the perimeter and the breadth of a rectangle is 5 : 1. If the area of the rectangle is 216 sq. cm, what is the length of the rectan

Answer 1

2(l + b)/b = 5/1

2l + 2b = 5b

3b = 2l

b = 2/3l

Then, Area = 216 cm^2

l x b = 216

l x 2/3l = 216

l^2= 324

l = 18 cm

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