Question

Two adjacent sides of a parallelogram are such that one is double the other. perimeter is 120 metre. find the length of adjacent side. ​

Answer 1

let the breadth be x

length= 2x

perimeter = 2(b+l)

120 = 2(2x+x)

120 =2* 3x

120/2 = 3x

60= 3x

x=60/3

x= 20

breadth is 20 m

length is 2x = 2* 20= 40m