The perimeter of triangle ABC is 54. The triangle has side lengths AB=3x, BC=4x, and AC=5x. Find the length of each side.

Question

The perimeter of triangle ABC is 54. The triangle has

Answer 1

All the sides add up as follows:

3x+4x+5x=12x=54

Solve for x:

x=4.5

Side AB=3(4.5)=13.5

Side BC=4(4.5)=18
Side AC=5(4.5)=22.5