A pyramid is a solid figure, the base of which is
(A) only a triangle
(B) only a square
(C) only a rectangle
(D) any polygon
Answer:
(D) any polygon
Solution:
As we know that a pyramid is formed by connecting a polygonal base and a point called the apex.
The base of the pyramid is in the form of the polygon that can be a triangle or square or some other polygon.
From left to right: Cone or circular pyramid, Triangular pyramid, Rectangular pyramid, Pentagonal pyramid
Hence option (D) is correct.