Which of the following solids is not pyramid
Circle
Tetrahedron
Cone
Cylinder
A pyramid is a solid whose base is a plane nectilinear figure and whose side faces are triangles, having common vertex.
Hence cylinder is not a Pyramid, it's a prism
Question 63 (i) How many faces does the following solid have? Tetrahedron
Which of the following solid shapes does not have a base? a) Cone b) Sphere c) Cylinder d) Pyramid
For which of the following solids, the cross-section can never be a circle