Question

The side of a triangle are in the ratio of 3:4:5 .If its perimeter is 36cm ,then what is the area *

Answer 1

Answer:

let consider side as x

now sides.,

3x

4x

5x

perimeter = sum of all sides

36=3x+4x+5x

36= 12x

x=36/12

x=3

now 3x

3*3=9

4*3=12

5*3=16

now area = 1/2*12*16

96cm²

hope it help

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