Polyhedra Warmup


A cube has __ more vertices than a square pyramid.

Is it possible to make a solid comprised of only 4 equilateral, congruent triangles?

What three-dimensional figure can be made by folding along the lines in this net?

Which regular polygon CANNOT be pieced together with replicas of itself to create a regular polyhedron?

Euler's formula states that for any polyhedron, the number of faces plus the number of vertices minus the number of edges equals 2. A dodecahedron has 12 faces and 30 edges. How many vertices does it have?


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