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The area of a rectangle is 16 m2 and its length is 4 times of its breath. The perimeter of the rectangle is:- |
20 cm 27 cm 22 cm 24 cm |
20 cm |
Length : Breath = 4 : 1 Area of rectangle = l × b = 4R × 1R = 4R2 = 16 1R = 2 Now, Perimeter = 2 (l + b) = 2 (5R) = 2 (10) = 20cm |
