Question

9. The lengths of the sides of a triangle are in the ratio 3 : 4:5 and its perimeter is 144 cm
Find the area of the triangle and the height corresponding to the longest side.​

Answer 1

9. The lengths of the sides of a triangle are in the ratio 3 : 4:5 and its perimeter is 144 cm

Find the area of the triangle and the height corresponding to the longest side.

Answer 2

Answer:

lengths of triangle =3x,4x,5x

perimeter=144cm

3x+4x+5x=144

12x=144

x=12