Question

the ratio of two sides of a parallelogram is 5:3 if the perimeter is128 cm find the lengths of the sides of the parallelogram?

Answer 1

Step-by-step explanation:

Let one side be 5x and another side is 3x so opposite sides must be 5x and 3x because it's a parallelogram and thus opposite sides are same

Perimeter = sum of all side

64=5x+3x+5x+3x

64=16x

x=4

Answer 2

Given :-

Ratio = 5:3

Perimeter = 128 cm

To Find :-

Length of sides

Solution :-

Let the side be 5x and 3x

2(l + b) = Perimeter

2(5x + 3x) = 128

5x + 3x = 128/2

8x = 64

x = 64/8

x = 8

Length = 5x = 40 cm

Breadth = 3x = 24 cm

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