Question

The side of a triangle are are in the ratio 3 ratio 4 ratio 5ratio . If its perimeter is 36 then what is it are

Answer 1

let the sides of the triangle be 3x 4x 5x respectively

A.T.Q

2x+3x+4x=36

9x=36

x=36÷9

x=4

3x=3×4=12

4x=4×4=16

5x=5×4=20

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