Not any geometric figure.
A tetrahedron.
A cube
A pyramid with a square base.
A cuboid is a geometric solid figure that has six rectangular faces at right angles to each other. It has 12 edges and 8 vertices.
It is a TETRAHEDRON . Incorrectly named a triagular pyramid.
Square pyramid.
If you are a solid figure with no vertices or edges, then you are a Sphere.From the lighter side: And that means that we can no longer be friends...
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It is a triangular prism
pentagonal prism
cuboid