ClipArt images of cones, which are three-dimensional geometric solids that are made by taking all straight lines from the apex (top) at an angle to a plane in a 360 degree radius. A cone has a circular base, and looks like a triangle when viewing them from only the x and y axis.

"The cone B would be developed by cutting a right section as S—S whose stretchout will be a circle are, location the elements on it and finding the true length of each from the vertex to the line of intersection." —French, 1911

Intersection of Two Cones

"The cone B would be developed by cutting a right section as S—S whose stretchout will be a circle…