Studied by 3 people
Postulate 6
All straight angles are congruent.
Postulate 7
All right angles are congruent as they have the same measure.
Postulate 5
An angle has only one bisector
Postulate 3
A line segment can be bisected at only one point
Postulate 12
Vertical angles are congruent.
Bisector of a line segment
A ray, line, or line segment that intersects the line segment at its midpoint, dividing it into two congruent parts.
Note 
Flashcard (48)