Measuring Angles

Measuring Angles with a Protractor

angles starting at zero and angles that don't start at zero

Multiple Choice

Which type of angle is pictured?

• right angle

• acute angle

• obtuse angle

• straight angle

Multiple Choice

What is an obtuse angle?

• An angle that measures more than 90 degrees, but less than degrees 180 degrees.

• An angle that measures 90 degrees.

• An angle that measures less than 90 degrees.

• An angle that measures 180 degrees.

Multiple Choice

What is a right angle?

• An a angle that measures more than 90 degrees.

• An angle that measures less than 90 degrees.

• An angle that measures exactly 90 degrees.

• An angle that measures 180 degrees.

How do you determine which scale to use?

Determine the type of angle.

Multiple Choice

• 180 degrees

• 140 degrees

• 40 degrees

• 90 degrees

Multiple Choice

What is the measure of <ABC to the closest degrees?

• 159 $$\degree$$

• 161 $$\degree$$

• 19 $$\degree$$

• 21 $$\degree$$

Multiple Choice

_{What is the measure of the following angle?}

• 78 degrees

• 102 degrees

• 118 degrees

• 82 degrees

Multiple Choice

What is the measure of this angle?

• 54°

• 65°

• 128°

• 132º

Multiple Choice

What is the measure of this angle?

• 65^o

• 75^o

• 115^o

• 125^o

Multiple Choice

Find the measure of this angle and classify it.

• 50^o, acute

• 130^o, obtuse

Multiple Choice

• 125^o

• 115^o

• 75^o

• 65^o