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What plane figure is the base of a triangular pyramid?

What plane figure is the base of a triangular pyramid?-example-1
What plane figure is the base of a triangular pyramid?-example-1
What plane figure is the base of a triangular pyramid?-example-2
User Richele
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2 Answers

4 votes
Triangle, I believe. A triangular pyramid has 4 faces. All faces are triangles, including the base.

What plane figure is the base of a triangular pyramid?-example-1
User Peolss
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5 votes

The base of a triangular pyramid is a triangle. The triangle has 3 vertices.
User Lasse Christiansen
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