Lines Rays Points Angles

greater than 90 degrees

• acute angle

• obtuse angle

• right angle

• straight angle

Name the figure above.

• Ray

• Line

• Line Segment

• Point

Name the figure above.

• Ray

• Point

• Line

• Line Segment

Name the figure above.

• Ray

• Line

• Line Segment

• Point

Another name for a right angle is ___________.

• square angle

• correct angle

• 90 degree angle

• none of the above

Acute angle - an angle that is ______ a 90 degree angle.

• more than

• less than

• equal to

• none of the above

A straight angle measures

• 90 degrees

• 80 degrees

• 180 degrees

• 140 degrees

What is a Vertex?

• Two rays.

• When two arrows go on forever.

• The place where lines or segments meet.

  (Vertices - more than one vertex)

• The middle.

What is this angle?

• Right angle

• Left angle

• Acute angle

• Obtuse angle

What is this angle?

• Right angle

• Left angle

• Acute angle

• Obtuse angle