Across
- 2. a type of shape that is "pop up" and not 2d
- 5. base 1 plus base 2 divided by 2 times height
- 9. a shape with 3 sides
- 10. a shape with four Sid and all right angles
- 11. the amount of space inside a shape
- 14. a closed shape
- 15. formed when two straight lines or rays meet at a common endpoint
- 18. a line from the edge of a circle to the center of half the diameter
- 20. from one edge to a circle to another
Down
- 1. a shape with four sides
- 3. an angle above 90 degrees
- 4. the perimeter of a circle
- 6. two line that never intersect
- 7. the intersection of two perpendicular straight lines
- 8. also know as 3.14
- 12. an angle less that 90 degrees
- 13. how to solve area/volume/perimeter (a hint to solve is)
- 16. There are 4 ____ on a square
- 17. the bottom of a shape
- 19. a type of shape that is flat and not 3d