Question

The ratio of the sides of a triangle is 2:6:7.

If the perimeter of the triangle is 225 meters,
what is the length of the longest side?

Answer 1

suppose the three sides are 2x, 6x, and 7x in length.

2x+6x+7x+195

15x=195

x=195/15=13

the longest side is 7*13=91 meters