<span>In elementary geometry, a polyhedron is a solid in three dimensions with flat faces, straight edges and sharp corners or vertices. This means that the polyhedra among these are all (tetrahedron, octahedron, dodecahedron, and cube) except for pool. </span>
I think the answer is The perimeter!
This is the graph that I drew to figure out the answer to this question.
The image of U will be (2,-1)
