Angles
What is the name of the point where the angle meets?
Vertex
True or False - parallel lines will eventually cross paths.
False
What can go on forever on both sides?
A line
90 degrees
right angle
How many degrees are in a circle?
360
If an angle is exactly 90 degrees ... it is called what?
Right angle
True or False - perpendicular lines form 90 degree angles?
True
A path with two end points is called what?
Line segment
180 degrees
straight angle
What tool do we use to measure angles?
Protractor
Name 4 kinds of angles.
right, acute, obtuse, and straight?
True or False. A line has one point that ends and one side that goes on forever.
False
Lines that cross at one point are called what?
Intersecting Lines
89 degrees
acute angle
4
Two lines that cross at any angle.
If two lines create four right angles ... these lines are called what?
Perpendicular
93 degrees
obtuse angle
If I have 2, 90 degree angles next to each other. What time of angle have I made?
Straight angle
What is an example of an obtuse angle?
Anything greater than 90 degrees.
True
Two lines that never touch are called what?
Parallel lines
234 degrees
obtuse angle/reflex angle
What word does the main character from the polar express have hole-punched into his ticket?
Believe