Classifying Angles and Angle Addition

Name the vertex of the angle.

• S

• R

• Q

• S, R, and Q are vertices

If I wanted to name the red angle, which of these options would be acceptable?

• ∠HLG
• ∠KLH
• ∠LHG
• ∠HGL

What is another name for ∠H

• ∠KGH
• ∠LGH
• ∠LHG
• ∠K

Name an angle bisector

• →

  BF

• ^→

  ^BE

• →

  BA

• →

  DB

What type angle is ∠CBF?

• acute

• right

• obtuse

• straight

What type angle is ∠EBF?

• acute

• right

• obtuse

• straight

What type angle is ∠ABC?

• acute

• right

• obtuse

• straight

If m<EBF = 117°, find m<ABE. ________

• 45

• 90

• 135

• 27