Angles and Degrees

True or False. An acute angle is equal to 90 degrees.

• True

• False

Classify the angle

• right

• reflex

• obtuse

• acute

An angle that opens less than 360 degrees but more than 180 degrees is called a ________ angle.

• acute

• reflex

• right

• straight

The following angle opens up from the left, I should look at the inner numbers.

• True

• False

After tracing the angle, I see that it is a ________ angle.

• acute

• obtuse

• right

• straight

What is the measure of the angle?

• 35

• 25

• 145

• 155

What is the measure of the angle?

• 52

• 120

• 128

• 132

True or False. An obtuse angle is bigger than an "L" so on a protractor you should look at the smaller numbers.

• True

• False

Which shape has exactly one right angle?

• A

• B

• C

• D

A straight line is divided into two angles. One angle is 65 degrees. What is the measurement of the unknown angle?

• 25 degrees

• 115 degrees

• 190 degrees

• 265 degrees