Across
- 2. angle an angle that measures 90 degrees
- 4. is a point where two or more straight lines meet.
- 5. an individual surface of a solid object.
- 8. is a polyhedron for which the base is a polygon and all lateral faces are triangles.
- 9. A unit of measurement of angles
Down
- 1. angle an angle that measures more than 90 degrees but less than 180 degrees
- 3. the plural of vertex
- 6. angle an angle that is less than 90 degrees
- 7. a polyhedron for which the top and bottom faces (known as the bases) are congruent polygons, and all other faces are rectangles.
- 10. a line segment that joins two vertices.