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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
- A124 m
- B126 m
- C128 m
- D130 m
Correct answer: B
Discussion 1
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CCommunity
126 m
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
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