Question

if the ratio of the length to the breadth of a rectangle B5 ratio 3 and its perimeter is 144 M find the length of a rectangle

Answer 1

Let the ratio be 5x:3x.

Perimeter= 144

2(l + b)=144

2(5x + 3x)=144

8x=72

x=9

length=5 x 9= 45cm

Answer 2

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