Across
- 1. a polyhedron that has a polygon at its base and sides consisting of triangles that meet at a point at the top
- 3. the point where two lines intersect; the highest point
- 5. a branch of math that studies lines, points, curves, and surfaces
Down
- 1. lying or moving in the same direction but always the same distance apart
- 2. a type of insect and a sacred symbol in ancient Egypt
- 4. the soft, central part, or pulp, of the stems of papyrus