A triangle has a perimeter of 23 in. Side A is twice side B. Side C is three more than side A. Find the length of each side.

Answer 1

The perimeter of a triangle is the length of side A plus the length of side B plus the length of side C.

Let "x" be the length of side A. That means the length of side B is "2x" and the length of side C is "x + 3".

So (x) + (2x) + (x + 3) = 23

4x + 3 = 23

4x = 20

x = 5

So side A is 5 inches long, side B is 10 inches long, and side C is 8 inches long