What type of angle is this?
Acute Angle
What is the arrow pointing to?
The Vertex
What kind of angle is this?
Obtuse Angle
What do you call two lines that form one or more RIGHT angle?
Perpendicular Lines
How many degrees does a straight angle measure out to?
180 degrees
Do intersecting lines ever form right angles?
No
What is this called?
A Ray
What is this called?
A Line Segment
Do supplementary angles add up to 90 or 180 degrees?
180 degrees
Do complimentary angles add up to 90 or 180 degrees?
90 degrees
