Mishell
2 Answers
daren1
Triangular pyramids have 4 faces.
Draw a triangle and this forms face one, the base.
Next you need 3 triangles, each sharing one edge with the base and an edge with each neighbour and coming to a point at the top. This makes 3 more upright triangles, giving 4 triangular faces in total.
| 11 years ago. Rating: 2 | |
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