sides of a rectangle are in ratio 3 and its area is 588cm^2. find the perimeter of the rectangle
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Answer:
104cm
Step-by-step explanation:
let the side be x and 3x
Area = 3x(x) = 588
= 3x² = 588
= x² = 196
= x = 13
length = 39 cm
breadth = 13 cm
permeter = 2(l+b)
= 2× 52 = 104cm
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