Angles

What is the correct definition of an angle? 

• one single ray
• two rays that meet at a single endpoint
• two lines that meet at a single endpoint
• two line segments that meet at a single endpoint 

How many degrees is a straight angle?

• 90
• 360
• 180
• 145

An angle whose measure is exactly 90 degrees.

• acute
• vertical
• right
• straight

What is the name of this ray?

• Ray AB
• Ray BA
• Ray ABC
• Ray AC

What type of angle is shown?

• acute
• obtuse
• right
• straight

What type of angle is shown?

• acute
• obtuse
• right
• straight

What type of angle is shown?

• acute
• obtuse
• right 
• straight

What is a right angle?

• Ana 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. 

What is an obtuse angle?

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

What is a straight angle?

• An 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 exactly 180 degrees.