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
Section Name: Vertical Angles Theorem Find the missing angle measures. State your reasoning. 47° Section Name: Vertical Angles Theorem
Vertical Angle Theorem
Use it with Algebra! X X X X
Use it with Algebra! X Y X Y
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.
Set up an equation and solve for x. 46°
Solve for x.
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
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