Naming Angles and Estimating Measures

When two lines meet at a point called vertex, what will be formed?

• line

• angle

• point

• vertex

What do you call a point where two lines meet?

• angle

• vertex

• line

• side

Which symbol is used to name angles?

• °

• ─

• ∠

• → or ←

What is the other name for ∠ABC or ∠CBA?

• ∠B

• ∠C

• ∠A

• ∠t

What is the vertex ?

• point A

• point B

• point C

• ∠ABC

What is the other name for ∠w?

• ∠RPS

• ∠PQR

• ∠SRQ

• ∠SPQ

Which of the following is not correct?

• ∠t = ∠RQP

• ∠v = ∠PRQ

• ∠u = ∠PSR

• ∠w = ∠RSP

Which of the following is correct?

• ∠RQP = ∠v

• ∠SPR = ∠u

• ∠PQR = ∠t

• ∠QRS = ∠u

Do line PR and line SR make ∠w?

• No

• Yes

• Maybe

• Not sure

Do line PS and line RS make ∠u?

• Yes

• No

• maybe

• not sure