Question

Which of the following are polyhedrons?

A-cone
B-polygon
C-prism
D-pyramid

Answer 1

The correct answers are: Prism, and Pyramid.

Explanation:

Answer 2

C. Prism

D. Pyramid

Explanation:

We know that:

• Polyhedron is a solid in three dimensions with flat polygonal faces, straight edges and sharp corners or vertices.
• The word polyhedron comes from the Classical Greek word meaning many base.
• The faces of a polyhedron are polygons, which means they have straight sides.
• Cone is a three dimensional figure but cone is not a polyhedron since cone has curved surface and not flat faces.
• Polygon is not a polyhedron because it is not three dimensional.
• Prism and pyramids are polyhedron since they are three dimensional and have flat polygon faces.