Question

Construct a triangle ABC whose sides are in the ratio of 2:3:4 and perimeter 18 cm .

Answer 1

2x+3x+4x=18cm

9x=18cm

x=18/9

2/1

let put the x=2

2x=2×2=4

3x=3×2=6

4x=4×2=8

now, adding the all no. 4+6+8=18cm