Question

) The area of a triangle is 216cm2 and its sides are in the ratio
3: 4:5. Find the perimeter of the triangle.​

Answer 1

Answer:

Step-by-step explanation: LET SIDES OF TRIANGLE BE 3x,4x AND 5x

AREA=216CM

216=1/2*3x*4x

432=12x^2

36=x^2

6=x

3x=3*6=18cm

4x=4*6=24cm

5x=5*6=30cm

PERIMETER=18+24+30

=72cm