### Home > CCG > Chapter 5 > Lesson 5.3.5 > Problem 5-126

5-126.

This triangle has known values for

Refer to the Math Notes box in Lesson 5.3.3 if you need help remembering the Law of Cosines.

Solve for .

After finding the length of , the Law of Sines can be used to to find the measure of

Refer to the Math Notes box in Lesson 5.3.2 for the Law of Sines.

Use the Triangle Angle Sum Theorem to find the measure of *.*