The length of a rectangle is 5/4 times of its breadth. If the perimeter of the rectangle is 360 cm, then its area will be what?
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Step-by-step explanation:
take the breadth as b then length will be 5/4b
then you have to find the breadth that will be
2(5/4b+b) = 360
b= 80 cm
l = 80×5/4 = 100
area = l×b
= 100 ×80(sq. cm)
= 8000 sq. cm ans....
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