1.2 Define and Measure Angles Flashcards
1
Q
Ray
A
Part of a line that starts at an endpoint and extends forever
2
Q
Angle
A
formed by 2 line segments or rays that share the same endpoint
3
Q
Vertex
A
common endpoint of two rays that form the angle
4
Q
Adjacent Angles
A
Two angles in the same plane with a common vertex and a common side but no common interior points
5
Q
Acute
A
Greater than 0 degrees and less than 90 degrees
6
Q
Right
A
90 degrees
7
Q
Obtuse
A
Greater than 90 less than 180
8
Q
Straight
A
180 degrees
9
Q
Reflex
A
greater than 180 less than 360
