Question

the side of a parallelogram are in the ratio 3:1 and its perimeter is 80 cm .find the side of the parallelogram

Answer 1

let the sides of parallelogram be 3x and x
given that perimeter = 80 cm
=> 2(3x+x)=80
=> 4x= 40
=> x= 10 cm


x =10 cm
3x= 30 cm