Question

The length of sides of a triangle are in the ratio 3 ratio 4 ratio 5 and its perimeter is 120 cm find its area

Answer 1

let common multiple be x
3x+4x+5x=120
12x=120x=10
sides are 30 40 50 which form a right angle
area=1/2× 30×40
=60cm^2

Answer 2

Answer:

Step-by-step explanation:

let common multiple be x

3x+4x+5x=120

12x=120x=10

sides are 30 40 50 which form a right angle

area=1/2× 30×40

=60cm^2