### Home > GB8I > Chapter 3 Unit 4 > Lesson INT1: 3.1.4 > Problem 3-47

3-47.

The perimeter of the triangle at right is to calculate the length of each side of the triangle. Be sure to confirm that your answer is correct.

Find the sum of the side lengths.

The sum of the side lengths is the perimeter, which we know from the problem is .

Continue solving finding the value of .

Find side lengths substituting your found value of into the expression given for each side.