Vocabulary Intro
Angle Vocabulary
Angle Vocabulary
100
Has no dimension - Labeled by an Uppercase letter
What is a point?
100
Consists of two initial rays that have the same initial point
What is an angle?
100
an angle that measures less than 90 degrees
What is an acute angle?
200
Extends in one direction - Symbol is straight line with two arrows - Labeled by two points
What is a line?
200
Initial point of an angle
What is the vertex?
200
An angle that measures 180 degrees
What is a straight angle?
300
Extends in two directions infinitely - named by three non-collinear points - symbol is like a tabletop or movie screen
What is a plane?
300
Angles that have the same measure
What are congruent angles?
300
Two angles that measure 90 degrees
What are complementary angles?
400
Points on the same line
What are collinear points?
400
An angle that measures more than 90 degrees
What is an obtuse angle?
400
Angles that share a common vertex and side
What are adjacent angles?
500
Points not on the same line
What are non-collinear points?
500
An angle that measures 90 degrees
What is a right angle?
500
Two angles that add up to 180 degrees
What are supplementary angles?
M
e
n
u