Question

Two sides of a parallelogram are in the ratio 4:3. If its perimeter is 63cm then find its length

Answer 1

Let say one side of parallelogram = 4x cm

another side of parallelogram which is not parallel to this side = 3x cm

parallel side of parallelogram are equal

so perimeter of parallelogram would be

4x + 3x + 4x + 3x

= 14x

14x = 63

=> 2x = 9

=> x = 4.5

one side = 4x = 4×4.5 = 18cm

another side = 3×4.5 = 13.5 cm