if a point lies between two points on a line, then it forms this
What are opposite rays?
100
if B is between A and C,
then __ __ __
AB+BC=AC
What is the segment addition postulate?
100
two different rays with the same endpoint
What is an angle?
100
the sum of the measure of two angles is 90 degrees
What are complementary angles
100
a closed plane figure with three or more line segments called sides, and with each segment intersecting exactly two lines, one at each endpoint so that no two sides with a common endpoint are collinear
What is a polygon?
200
if two or more geometric objects have one or more points in common, then they form this.
What is an intersection?
200
line segments with the same length
What are congruent segments?
200
the sides of an angle
What are rays?
200
the sum of the measure of two angles is 180 degrees
What are supplementary angles?
200
a closed plane figure with congruent sides
What is an equilateral polygon?
300
a rule that can be proved
What is a theorem?
300
the point that divides a segment into two congruent segments
What is the midpoint?
300
the endpoint of an angle
What is a vertex?
300
two angles that share a common vertex and side, but with no common interior points
What are adjacent angles?
300
a closed plane figure with congruent angles
What is an equiangular polygon?
400
the absolute value of the difference between of the coordinates between two points
What is distance?
400
MN
What is the measure of segment MN?
400
an angle whose measure is greater than 0 degrees and less than 90 degrees
What is an acute angle
400
two angles whose noncommon sides are opposite rays
What is a linear pair?
400
a convex closed plane figure that is both equilateral and equiangular
What is a regular polygon?
500
points on the line can be matched one-to-one with the real numbers (the coordinate of the point)
What is the ruler postulate?
500
a point, ray, line, line segment, or plane that intersects a segment at its midpoint.
What is a segment bisector?
500
an angle whose measure is greater than 90 degrees, but less than 180 degrees
What is an obtuse angle?
500
two angles with sides formed by two pairs of opposite rays
What are vertical angles?
500
no line that contains a side of a polygon contains a point in the interior of the polygon