Measuring Angles with a Protractor

Angles are measured using a ______.

• compass

• protractor

• ruler

• prospector

What is this tool called and what is it used for?

• A ruler used to measure lines.

• A protractor used to measure lines.

• A ruler used to measure angles.

• A protractor used to measure angles.

What is the measure of the angle shown?

• 35 degrees

• 45 degrees

• 145 degrees

• 155 degrees

What is the measure of this angle?

• 20 degrees

• 160 degrees

• 0 degrees

• 180 degrees

Estimate the measure of this angle

• 60°

• 135°

• 179°

• 98°

• 
• 
• 
• 

What is the measure of this angle?

• 44°

• 95°

• 140°

• 135°

Measure to the nearest 10 degrees.

• 80°

• 90°

• 100°

• 110°

What is the measurement of this angle?

• A

• B

• C

• D