Question

The perimeter of the triangle below is 4x+3y Find the measure of the missing side.

the right side says x-y
the right side says x + y

Answer 1

2x+3y

Explanation:

you add up the known sides: (x-y)+(x+y) = 2x

Then you subtract the answer from the perimiter: 4x+3y-2x=2x+3y