Cone Cut By Plane Small 320×313 Medium 640×626 Large 1024×1002 Download Tiff Original 3065×3000 | (171.8 KB) Download EPS Vector 346.3 KB Description Illustration of a right circular cone that has been cut by a plane parallel to the base. The top section has been removed and placed in front of the lower section. The lower part is known as the frustum. Keywords cones, conic, frusta, frustum, frustums, geometric solid, plane, right circular cone Galleries Frusta Source: Florida Center for Instructional Technology Clipart ETC (Tampa: University of South Florida, 2007)