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5 votes
Which of the following also describes a tetrahedron?

a. regular prism
b. regular pyramid
c. regular polygon
d. a cube ...?

2 Answers

4 votes
B. A regular pyramid is a tetrahedron, because it is composed of four triangles, has six straight edges, and four vertex corners.
User Silo
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6 votes
A tetrahedron is also called a regular triangular pyramid.

option b is the correct answer.
User Tejus Prasad
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