Lines
Two lines crossing each other forming two pair of equal angles.
What are vertical angles
lines that intersect to form a right angle
What is perpendicular
This is a quadrilateral with all sides equal and 4 right angles
What is a a square?
The measure of the fourth angle of a quadrilateral when the other 3 angles measure 900 degrees, 1200 degrees, and 700 degrees.
What is 800?
The third of the three angles of a linear pair measure 600 and 800
What is 400?
All angles in every triangle will add up to this number of degrees
What is 180 degrees
Points that lie on the same line.
What are colinear points?
A segment cuts an angle of a triangle into 2 equal parts.
What is an angle bisector?