### Home > CCG > Chapter 10 > Lesson 10.2.2 > Problem 10-88

10-88.

,

Use the Triangle Angle Sum Theorem to find .

Vertical angles are congruent. Use this information to find .

When solving for

10-88.

,

Use the Triangle Angle Sum Theorem to find .

Vertical angles are congruent. Use this information to find .

When solving for