Question

9. The lengths of the sides of a triangle are in the ratio 3: 5:4 and its perimeter is 72 cm. Find the area of
the triangle​

Answer 1

Answer:

it is slightly difficult

Answer 2

given ratio 3:5:4

3x + 4x + 5x = 72

12x =. 72

x = 6

therefore the sides of the triangle is 18 cm 30cm and 24cm

for for finding area use either heron's formula or normal formula = half× base ×height