1. Warm-Up Complementary or Supplementary? B
Write out the angle addition postulate using the names of these angles.
Find X
Find the measure of both angles. A B C D

2. Section Name: Vertical Angles Theorem
Find the missing angle measures.
State your reasoning.
47°
Section Name: Vertical Angles Theorem

3. Vertical Angle Theorem

4. Use it with Algebra! X X X X

5. Use it with Algebra! X Y X Y

6. What is the measure of all three angles within a triangle?
Use this piece of information to set up an equation and solve for x.

7. Set up an equation and solve for x.
46°

8. Solve for x.

9. Find all angle measures of Q, R, and S.
Exit Ticket: Solve for x.
Find all angle measures of Q, R, and S. Q R S

10. Independent Problem Complementary or Supplementary?
Write out the angle addition postulate using the names of these angles.
Find X
Find the measure of both angles. A B C D