Question

The sides of a triangle are in the ratio 3:4:5. What is the length of each side if the perimeter of the triangle is 90 cm?

Answer 1

for 3:4:5 3 4 5
22.5 30 37.5

If you multiply 3,4,and 5 by 7.5, you get 22.5, 30, and 37.5.

22.5+30+37.5=90