Lines
Angles
Triangles
100
two lines that are the same distance apart and will never touch
What is parallel lines
100
This is the term for a 90 degree angle
What is right angle
100
A triangle that has all sides the same length
What is equilateral
200
lines that intersect to form a right angle
What is perpendicular
200
An angle that is less than 90 degrees
What is acute
200
A triangle with two sides the same length
What is isosceles
300
this has one endpoint and continues in one direction forever
What is a ray
300
an angle that is greater than 90 degrees
What is obtuse
300
A triangle with one angle greater than 90 degrees
What is obtuse triangle
400
This is part of a line
What is a line segment
400
this is the number of degrees in a straight angle
What is 180 degrees
400
A triangle with a 90 degree angle and no sides the same length
What is right, scalene
500
This is a closed figure with at least 3 sides.
What is a polygon
500
This is used to measure angles
What is a protractor
500
All angles in every triangle will add up to this number of degrees
What is 180 degrees
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