Question

The length and the breadth of a rectangle are in the ratio 3:2 If its perimeter is 30cm, find its dimensions​

Answer 1

Answer:

let length be 3x and breadth be 2x

perimeter=30cm

2(l+b)=30cm

2(3x+2x)=30cm

2×5x=30cm

10x=30cm

x=30/10=3

therefore, length=3×3=9cm

breadth=2×3=6cm