Angle Basics

Classify each angle as acute, obtuse, right, or straight.

• Acute < 90

• obtuse > 90

• right = 90

• straight = 180

Tags

CCSS.4.G.A.1

Classify each angle as acute, obtuse, right, or straight.

• Acute < 90

• obtuse > 90

• right = 90

• straight = 180

Tags

CCSS.4.G.A.1

Classify each angle as acute, obtuse, right, or straight.

• Acute < 90

• obtuse > 90

• right = 90

• straight = 180

Tags

CCSS.4.G.A.1

Classify each angle as acute, obtuse, right, or straight.

• Acute < 90

• obtuse > 90

• right = 90

• straight = 180

Tags

CCSS.4.G.A.1

Which is NOT a correct way to name the angle below?

• B

• ABC

• CBA

• CAB

Tags

CCSS.4.G.A.1

CCSS.4.MD.C.5

Which point is the vertex?

• Z

• Y

• X

• None of the Above

Tags

CCSS.HSG.CO.A.1

Which point is the vertex of ∡DEF

• D

• E

• F

• Not enough information to answer

Tags

CCSS.4.G.A.1

CCSS.4.MD.C.5

What is the arrow pointing to in the angle?

• a ray

• geometry

• vertex

• line

Tags

CCSS.HSG.CO.A.1

This angle is written as......

•  ∠ABC
•  ∠ACB
• ∠BCA
• ∠CAB

Tags

CCSS.4.G.A.1

CCSS.4.MD.C.5

Choose the correct name for the angle marked $\angle5.$ 

•  $\angle V$  

•  $\angle JVK$  

•  $\angle IJK$  

•  $\angle IVJ$  

Tags

CCSS.4.G.A.1

CCSS.4.MD.C.5