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Question

The length of a rectangle is (65)th of its breadth. It its perimeter is 132m, its area will be ______ .
  1. 1080m2
  2. 640m2
  3. 1620m2
  4. 2160m2

A
2160m2
B
1080m2
C
640m2
D
1620m2
Solution
Verified by Toppr

Let breadth of a rectangle be x.
Then length of a rectangle be 65x.
Perimeter of a rectangle = 2(length+breadth)
132=2(65x+x)

66=6+55x

x=66×511
x=30m
So, breadth = 30m and length = 65×30=36m
Area of rectangle = length×breadth
Area of rectangle = 36×30=1080m2

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