Question

The sides of a triangle is in the ratio 2:3:4 and its perimeter is 90 cm. what are the lengths of its sides?

Answer 1

Answer:

let sides be 2x 3x and 4x

then, 2x +3x+4x=180

or,9x=180

or,X=20

2x=40

3x=60

4x=80