Classifying Angles

The point where 2 rays meet is called the....

• right angle

• acute angle

• vertex

• congruent

Name the angle form by lines DE and EF in the long form.

• ∠D

• ∠f

• ∠FED

• ∠FDE

A straight angle is ...

• An angle that is exactly equal to 90 degrees

• An angle that is greater than 90 degrees but less than 180 degrees

• An angle that is less than 90 degrees

• An angle that is exactly equal to 180 degrees

If m∠A = (5x + 25)° and x = 7, find m∠A

• 60°

• 37°

• 27°

• 70

If m∠P = (19x – 24)° and x = 6, classify the angle.

• acute

• right

• obtuse

• straight

Angles can be ______ based on their measure

• eaten

• destroyed

• classified

• removed

An angle whose measure is 90 degrees

• Right angle

• Acute angle

• Obtuse angle

• Backward angle

An angle whose measure is between 0 and 90 degrees

• Acute

• Obtuse

• Right

• Tiny

An angle whose measure is between 90 and 180 degrees

• Angry

• Acute

• Obtuse

• Right

An angle whose measure is exactly 180 degrees

• Straight angle

• Right angle

• Acute angle

• Obtuse angle