Question 62

The length and breadth of a rectangle are in the ratio 8:3. Find Its area if perimeter is 132 cm.

Solution

Le the length and breadth be 8x and 3x respectively.
Perimeter of rectangle=2(l+b)
=2(11x)
=22x
Given 22x=132
x=6
Area=l*b
=48*18
=864 sq cm


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