How many faces and vertices does a triangular pyramid have?

How many faces, edges and vertices are there in the following figure?

cylinder

How many edges are there in a cuboid.

Can a polyhedron have a square and four triangles?

Can a polyhedron have for its faces:$3$ triangles$?$

How many faces, edges and vertices are there in the following figure?

sphere

Write down the number of faces of cuboid.

Can a polyhedron have $3$ triangles only?

Is a square prism same as a cube?

Can a polyhedron have $4$ triangles only?

A square pyramid has $6$ faces.

State whether the following is true or false.

A cube has twice the number of edges as a tetrahedron.

What is the least number of planes that can enclose a solid? What is the name of the solid?