1
Q
a ray that cuts an angle into two congruent angles
A
angle bisector
2
Q
two rays which share an endpoint and extend in opposite directions
A
opposite rays
3
Q
points on the same line
A
collinear
4
Q
an angle whose measure is between 0 and 90
A
acute angle
5
Q
a point that divides a segment into two congruent segments
A
midpoint
6
Q
points on the same plane
A
coplanar
7
Q
an angle whose measure is between 90 and 180
A
obtuse angle
8
Q
figures having the same length or measure
A
congruent
9
Q
two angles that add up to 90
A
complimentary
10
Q
two angles that add up to 180
A
supplementary
math angle properties
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