Across
- 4. the and outside of a shape
- 5. a 90° angle
- 7. lines that meet at a right angle
- 10. a triangle of sides of all different lengths
- 11. point where to a more curves, lines, or line segments meet
- 12. a 2D diagram of an unfolded 3D shape
- 13. the measure of Regions in 3D space
- 14. a polyhedron comprising of an N-sided bace
- 15. a pair of perpendicular lines
Down
- 1. the total space in a 3D shape
- 2. surface of an object
- 3. a figure made up of line segments
- 6. a triangle that has two equal sides
- 8. a polyhedron formed by connecting a polygonal base and a point, called the apex
- 9. a polygon all of whose sides meet at right angles