Classifying and Naming Angles and Lines

Right, acute, or obtuse?

• Acute

• Right

• Obtuse

Tags

CCSS.4.G.A.1

If I wanted to name ∠KGL which colored angle am I talking about?

• light blue

• yellow

• blue 

• green

What type of angle is pictured?

• acute

• right

• obtuse

• straight

Tags

CCSS.4.G.A.1

What is the correct name for this angle?

What is the measurement of a right angle?

• 70

• 80

• 90

• 180

Tags

CCSS.4.G.A.1

What is the measurement of a straight angle?

• 100

• 180

• 360

• 240

Tags

CCSS.HSG.CO.A.1

CCSS.4.MD.C.5B

Name the vertex of the angle.

• E

• F

• D

• E, F, and D are vertices

Tags

CCSS.HSG.CO.A.1

This angle is written as......

•  ∠ABC

•  ∠ACB

• ∠BCA

• ∠CAB

Name the angle form by lines DE and EF in the long form.

• ∠D

• ∠f

• ∠FED

• ∠FDE