The teachers’ library›Solid geometryFrustum of a coneV=31πh(R2+Rr+r2)V=13πh(R2+Rr+r2)Open on a new board The board is kept in this browser only, like your other boards. On any board, the Library button adds this too.More in Solid geometryCubeRectangular prismPrismPyramidCylinderConeSphereHemisphere