The length of a rectangle is 6 5 th of its breadth. If its perimeter is 132 m, its area will be.... (1) 1,080 m^2 (2) 640 m^2
The length of a rectangle is 6/5th of its breadth. If its perimeter is 132 m, its area will be....
(1) 1,080 m2 (2) 640 m2 (3) 1,620 m2 (4) 2,160 m2
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(1) Let breadth = b m
Then, length = 6/5 b m
Perimeter = 132
2(b+6/5 b) = 132
b = 30 m
Hence, length = 6/5 x 30= 36m
And area = length × breadth = 36 × 30 = 1080 m2
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