Angle Addition and Angle Bisector

What type of angles are these?

• Adjacent Angles

• Linear Pair

• Complementary Angles

• Supplementary Angles

• Vertical Angles

This is what kind of angle?

• obtuse
• right
• straight
• acute

Which names a pair of adjacent angles?

• ∠CXD and ∠FXE
• ∠CXF and ∠DXE
• ∠CXD and ∠DXE

Which are pairs of adjacent angles?

• ∠COB and ∠DOA

• ∠AOD and ∠AOC

• ∠COB and ∠AOD

• ∠BOD and ∠AOC

Vertical angles are always

• acute
• total 180 degrees
• congruent (equal measures)
• adjacent angles

What type of angles are these? (select 3)

• Adjacent Angles

• Linear Pair

• Complementary Angles

• Supplementary Angles

• Vertical Angles

Supplementary angles always add up to

Complementary angles always add up to

Find ST.

• 11
• 12
• 13
• 14

• 8
• 12
• -4
• -8