Three-Dimensional Figure (Solid Figure)
A figure that has length, width, and depth.
A slide of a figure in a plane.
A quadrilateral with exactly one pair of parallel sides.
A closed figure with three sides and three vertices.
A letter that stands for an unknown number in a mathematical expression or sentence.
Point(s) where lines, rays, sides of a polygon or edges of a polyhedron meet.
Please allow access to your computer’s microphone to use Voice Recording.
We can’t access your microphone!
Click the icon above to update your browser permissions above and try again
Reload the page to try again!
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.
Your microphone is muted
For help fixing this issue, see this FAQ.
NEW! Voice Recording
Click the mic to start.