The sides of a rectangle are in the ratio 4:3 and its area is 972sq.m find the perimeter of the rectangle? A. 120m B. 122m C. 124m D. 126m Answer Workspace Report Discuss Answer with explanation Answer: Option D Explanation let 4x and 3x be sides of the rectangle We know that area of rectangle = l×b 4x × 3x = 972 12×2 = 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 Workspace
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