1.

Two sides of a parallelogram are in the ratio 5:3. If its perimeter is 64cm, find the lengths of its sides.

Answer»

Given that two sides of a parallelogram are in the ratio 5:3 so let x as common multiple.

Also given that its perimeter is 64cm

But we know that perimeter = 2 (length + width) = 2(5x + 3x)

64 = 2(5x + 3x)

64 = 2(8x)

64 = 16x

x = 64/16 = 4

5x=20

3x=12

Therefore the sides are 20 and 12



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