How to Name Angles Using Three Points

Name the vertex of the angle.

• E

• F

• D

• E, F, and D are vertices

Tags

CCSS.HSG.CO.A.1

Name the vertex of the angle.

• S

• R

• Q

• S, R, and Q are vertices

Tags

CCSS.HSG.CO.A.1

What is the correct definition of an angle? 

• one single ray
• two rays that meet at a single endpoint (vertex)
• two lines that never intersect
• two rays that go in opposite directions

The Vertex is which letter?

• A
• B
• C
• None of the above

This angle is written as......

•  ∠ABC
•  ∠ACB
• ∠BCA
• ∠CAB

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

• light blue
• yellow
• blue 
• green