Naming Angles

Define Obtuse Angle

• Less than 90

• Exactly 90

• Greater than 90 and less than 180

• Exactly 180

Tags

CCSS.4.G.A.1

Define Acute Angle

• Less than 90

• Exactly 90

• Greater than 90 and less than 180

• Exactly 180

Tags

CCSS.4.G.A.1

Define Right Angle

• Less than 90
• Exactly 90
• Greater than 90 and less than 180
• Exactly 180

Tags

CCSS.4.G.A.1

Define Straight Angle

• Less than 90

• Exactly 90

• Greater than 90 and less than 180

• Exactly 180

Tags

CCSS.4.G.A.1

Right, acute, or obtuse?

• Acute
• Right
• Obtuse

Tags

CCSS.4.G.A.1

Right, acute, or obtuse?

• Right
• Acute
• Obtuse

Tags

CCSS.4.G.A.1

What type of angle is shown?

• acute
• obtuse
• right
• straight

Tags

CCSS.4.G.A.1

The Vertex is which letter?

• A
• B
• C
• None of the above

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

What is the arrow pointing to in the angle?

• a ray

• geometry

• vertex

• line

Tags

CCSS.HSG.CO.A.1