Angles Study Guide

Classify this triangle by angle measure

• obtuse

• right

• acute

What is the measure of angle C?

• 140

• 40

• 90

What kind of angle is this?

• Acute

• Obtuse

• Right

• Straight

What is the vertex of this angle?

• J

• L

• KL

• KJ

• K

What type of angle is this?

• Obtuse

• Acute

• Right

• Straight

Name the vertex of this angle.

• What is a vertex?

• Q

• O

• D

What is the tool used to measure angles called?

• Projector

• Ruler thingamabob

• Protractor

• Compass

What is the measure of <FOD?

• 40 degrees

• 50 degrees

• 90 degrees

• 140 degrees

What is the measure of <DOA?

• 70 degrees

• 80 degrees

• 90 degrees

• 180 degrees

The m<DOQ = (4x + 20)°, The m∠DOQ= 120°, find the value of x.

• x = 35

• x = 30

• x = 20

• x = 25