Which of the following solids are pyramids?
Cube
Tetrahedron
Cone
Cylinder
A pyramid is formed by connecting the polygonal base to a point called apex.
Examples of pyramids are : Triangular Pyramid or Tetrahedron, Square Pyramid, Pentagonal Pyramid.
A solid cylinder is melted and cast into a cone of same radius.The heights of the cone and cylinder are in the ratio
A cone and cylinder are carved of two solid cubes of side a. Find the ratio of the volumes of the cone and cylinder.