Question

Proving Angles Congruent Quiz

1. Angle Addition Postulate; Subtraction Property of Equality

2. Subtraction Property

3. 6x = 320

4. Symmetric Property

5. Given; b. Substitution Property; c. Subtraction Property of Equality; d. Division Property of Equality; e. Symmetric Property of Equality

6. 19

7. 13°

Answer 1

8. 90°

9. Vertical Angles Theorem

10. 60°