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Definitions
Definitions II
Postulates, Properties
Theorems
Proofs
100
This unique point on a line segment divides it into two congruent line segments.
What is the midpoint of a line segment?
100
This term describes two angles whose sum is 90 degrees.
What is complementary angles?
100
Two lines cannot intersect...
What is at more than one point?
100
If two angles are supplements of the same angle, then...
What is they are congruent?
100
The method of proof by contradiction begins with the assumption that is formed from...
What is the negation of the prove statement?
200
This unique ray divides an angle into two congruent angles.
What is the angle bisector?
200
This type of angle has a measure between 90 and 180 degrees (non-inclusive).
What is an obtuse angle.
200
This postulate states that a congruence can be expressed in any order.
What is the symmetric property?
200
If two lines intersect, then vertical angles are congruent. Adjacent angles are...
What is supplementary?
200
These values are always true.
What is the givens.
300
This term describes two angles that share a vertex, one side, and share no interior points.
What are adjacent angles?
300
This type of triangle has angles that all are equal in measure.
What is an equiangluar triangle.
300
If two values are equal to the same value, then the two values are...
What is congruent/equal.
300
If angles are a linear pair, then they are..
What is supplementary.
300
This theorem proves that two right angles are congruent.
What is if two angles are right angles then they are congruent.
400
A linear pair of angles are two adjacent angles whose sum is...
What is a straight angle?
400
This type of triangle has no sides that are equal in measure.
What is a scalene triangle.
400
This is the partition postulate.
What is the whole is equal to the sum of the parts.
400
If two lines intersect to form congruent adjacent angles, then...
What is they are perpendicular?
400
These three types of statements are allowed to be used in the reason section of proofs.
What is definitions, postulates, and theorems.
500
This undefined term has no length or width.
What is a point.
500
These points are in the same plane, but not on the same line.
What is noncolinear points.
500
A value is always equal to itself.
What is the reflexive property.
500
If two polygons are congruent, then..
What is corresponding parts are congruent.
500
The final statement in a two column proof should always be this.
What is the prove statement.