Geometry Angle Vocabulary

Created by ShaneCollins32 

Upgrade to
remove ads

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

adjacent

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

Please allow access to your computer’s microphone to use Voice Recording.

Having trouble? Click here for help.

We can’t access your microphone!

Click the icon above to update your browser permissions above and try again

Example:

Reload the page to try again!

Reload

Press Cmd-0 to reset your zoom

Press Ctrl-0 to reset your zoom

It looks like your browser might be zoomed in or out. Your browser needs to be zoomed to a normal size to record audio.

Please upgrade Flash or install Chrome
to use Voice Recording.

For more help, see our troubleshooting page.

Your microphone is muted

For help fixing this issue, see this FAQ.

Star this term

You can study starred terms together

NEW! Voice Recording

Create Set