Lines Rays Points Angles

An angle whose measure is exactly 90 degrees.

• acute

• vertical

• right

• straight

• point

• line segment

• line

• ray

• acute angle

• obtuse angle

• right angle

• straight angle

Which type of angle is pictured?

• Acute

• Right

• Obtuse

• Straight

This is what kind of angle?

• acute

• obtuse

• right

• straight

This is what kind of angle?

• right

• acute

• obtuse

• straight

This is what kind of angle?

• obtuse

• right

• straight

• acute

What is a ray?

• Part of a line with 2 endpoints

• Part of a line with 1 end point and goes on forever 

• Part of a line with 0 endpoints

• Part of a line with 5 endpoints

• point

• line segment

• line

• ray

less than 90 degrees

• acute angle

• obtuse angle

• right angle

• straight angle