Question

Construct a triangle PQR, whose perimeter is 13 cm and whose sides are in the ratio 2:3:4.

Answer 1

let the side as 2x:3x:4x=total perimeter
2x+3x+4x=13
9x=13
x=13/9
Now put the vale of x in the side =2x=2×13/9
3x=3×13/9
4x=4×13/9