1. Angle Relationships

2. Warm Up
Hint: the area of a triangle is 𝑏ℎ 2

4. Use the diagram to complete the table.
120⁰
60⁰
What does the table show us about opposite angles?
What does the table show us about the pairs of angles
formed by two intersecting lines? (EX: Angles 1 and 2)

6. Are <BFD and <AFE vertical angles? Why or why not?
What is the relationship between <AFB and <BFC? Explain.
Are <AFC and <BFC adjacent angles? Why or why not?

7. Name a pair of supplementary angles.
Name a pair of vertical angles.
Name a pair of adjacent angles.
Name a pair of complementary angles.
Find the measure of <CGD.

9. <EHF and <FHG form
a straight line.

10. How could we check if the answer is reasonable?

11. Write and solve an equation to find the measure of <JML.