• line

• ray

• line segment

• line

• ray

• line segment

• line

• ray

• line segment

Angles are measured using a ______.

• compass
• protractor
• ruler
• prospector

A _____ is straight and extends in both directions forever.

• point
• line
• line segment
• ray

Name the figure above. Check all that apply.

• Line DC

• Line Segment CD

• Line Segment DC

• Ray CD

What is a ray?

• A straight line that goes on forever in both directions
• The part of a line with two endpoints that do not go on forever
• A part of a line that starts with an endpoint and goes on forever in the opposite direction

What is a line segment?

• A set of points that goes on forever in both directions
• A curved line that goes on in one direction forever
• A part of a line between two endpoints

What type of angle is shown?

• acute
• obtuse
• right
• straight

An angle whose measure is exactly 90 degrees.

• acute
• vertical
• right
• straight