Question

The sides of a triangle are in the ratio 2 : 3:4 and its perimeter is 105 cm. Find the length
of the largest side in cm.​

Answer 1

Answer:

perimeter of triangle =105cm

ratio of sides =2:3:4

let sides be 2x , 3x and 4x

2x+3x+4x=105

9x=105

x=105/9=11.6

largest side =4x=4×11.6=46.4cm