Question

The measures of the sides of a rectangle are in the ratio 3:2. If the perimeter is 50 cm, find the sides.

Answer 1

let the sides be 3x and 2x.

perimeter = 2*(l+b)
50 = 2*(3x+2x)
5=x

then sides be 15 and 10

Answer 2

let ratio be x
2(3x+2x)=50
6x+4x=50
10x=50
x=5
3x=3x5=15
2x=2x5=10