Lines
Lines 2
Angles
100
A part of a line that has 2 end points
What is a line segment?
100
Lines that cross over each other
What are intersecting lines?
100
An angle that is less than 90 degrees is called
What is an acute angle?
200
Any location on a flat plane
What is a point?
200
Lines that never cross or touch each other
What are parallel lines?
200
An angle that measures exactly 90 degrees is called
What is a right angle?
300
A straight path that goes on forever in two directions
What is a line?
300
Lines that form right angles when they cross each other
What are perpendicular lines?
300
An angle that measures between 90 and 179 degrees is called
What is an obtuse angle?
400
A straight path that begins at a point and goes on forever in one direction
What is a ray?
400
Does this show a line of symmetry?
Yes
400
How many degrees does a straight angle measure?
What is 180 degrees?
500
Two rays that meet at the same point
What is an angle?
500
Does this show a line of symmetry?
No
500
A circle measures how many degrees
What is 360 degrees?