different angles Flashcards
1
Q
coplanar points
A
if they lie in the same plane
2
Q
angle bisector
A
a line or ray that divides an angle into two congruent angles
3
Q
congruent angles
A
angles with the same measure
4
Q
colinear points
A
Three or more points that lie on the same line
5
Q
hash mark
A
congruent, having the same size and shape
6
Q
ray
A
a line with 2 defined endpoints
7
Q
midpoint
A
the point on a line segment that divides it into 2 equal parts (cuts in half)
8
Q
definition
A
what a word means
9
Q
conjecture
A
a statement made with incomplete information; a guess
10
Q
counterexample
A
a specific reason that a conjecture is false
11
Q
Theorem
A
A statement of truth that has been proven over time
12
Q
postulate
A
a statement of truth that does not need proof