Create an account
the point where two or more rays meet; the point of intersection of 2 sides of a polygon; the point of intersection of three or more edges of a solid figure; the top point of a cone
a line segment passing through the center of a circle with both ends touching the circumference
a line segment with one endpoint at the center of the circle and the other endpoint on the circle
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 and try again
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