a triangle pyramid has 5 corners
If a triangular based pyramid has any right angles it has three. (Think of the corner of a cube). There are many triangular based pyramids that do not have any right angles.
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4
5
four
A square pyramid has the base of a square,and sides of a triangle. While a triangle pyramid has the base and sides of a triangle.
four triangle faces.
a triangle- based pyramid has 4 faces
four
four
One: A 3D triangle
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