Across
- 1. a 3D polyhedron
- 4. a 3D shape with 6 or more sides
- 10. a triangle having at least 2 equal sides
- 11. the amount of space the shape has in it
- 12. the area of the outside surface
- 14. a triangle with a right angle
- 15. the bottom of a shape
- 16. a triangle having 3 unequal sides
- 18. the amount of space an object takes up
Down
- 2. a triangle with all sides less than 90 degrees
- 3. a triangle with one obtuse angle and two acute
- 5. a shape with at least 3 angles
- 6. has 4 sides with opposite sides the same
- 7. a side of an object that is flat
- 8. a 3D shape with 2 sides facing each other
- 9. an angle point of a polygon
- 13. a quadrilateral with two parallel sides
- 17. a triangle having 3 equal sides