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The sides of a rectangle are in the ratio 4:3 and its area is 972sq.m find the perimeter of rectangle?

A.120m
B.122m
C. 124m
D.126m
Answer and Feedback
Answer:D
Feedback:let 4x and 3x be sides of the rectangle
We know that area of rectangle = l×b
4x × 3x = 972
12x2 = 972
X2 = 81
X = 9
Therefore length = 4x = 4×9 = 36m
Breadth = 3x = 3×9 = 27m
Therefore perimeter = 2 (l+b) = 2(36+27) = 126m

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