# Geometry Angle Vocabulary

### 12 terms by ShaneCollins32

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### vertex

the common endpoint of two rays that form an angle

### linear

this describes a pair of adjacent angles whose noncommon sides are opposite rays

this describes any two non-overlapping angles that share a common ray and a common vertex

### obtuse

this describes an angle having a measure greater than 90 degrees and less than 180 degrees

### side

this refers to one of the rays that form an angle

### right

this describes an angle that has a measure of exactly 90 degrees

### vertical

these are also called "opposite angles". They are nonadjacent angles formed by intersecting lines

### complementary

this describes a pair of angles with combined measures that equal 90 degrees

### supplementary

this describes a pair of angles with combined measures that equal 180 degrees

### straight

this describes an angle that measures exactly 180 degrees

### bisector

this refers to a point, line, or plane that divides a geometric figure into congruent halves

### acute

this describes an angle having a measure greater than 0 degrees and less than 90 degrees

Example: