1.3 Flashcards
1
Q
Vertex
A
The endpoint of a ray
2
Q
Angle
A
A figure that consists of two rays with a common endpoint
3
Q
Sides
A
The two rays of an angle
4
Q
Measure of an angle
A
The number of degrees in an angle
5
Q
Straight Angle
A
The figure formed by two opposite rays
6
Q
Acute Angle
A
An angle whose measure is less than 90 and greater than 0
7
Q
Obtuse Angle
A
An angle whose measure is greater than 90 and less than 180
8
Q
Right Angle
A
An angle whose measure is 90
9
Q
Congruent Angles
A
<CAT (=~) <DOG iff m<CAT = m<DOG
10
Q
Angle Bisector
A
A line, ray, or segment that separates an angle in two congruent angles
