Question

1. consider the tetrahedron pictured below. dashed lines denote sides or parts that are in the background. a. is the above figure a prism, a pyramid, a cylinder, or a cone? explain your answer.

Explanation:

A prism has two congruent and parallel bases connected by rectangular faces. A cylinder has two circular parallel bases and a curved surface. A cone has a circular base and a pointed vertex. A pyramid has a base and triangular faces that meet at a single vertex. The given tetrahedron has a triangular base and three triangular faces that meet at a vertex, which is the characteristic of a pyramid.

Answer:

It is a pyramid because it has a triangular base and triangular faces that meet at a single vertex.