Across
- 3. two angles that add to one hundred eighty
- 9. two angles that add to ninety
- 11. shape with three sides
- 12. when all sides are equal in two triangle
- 13. another word for equal
- 15. another word for next to
- 16. 3.1415...
- 18. a line from point a to point b
- 20. shape with ten sides
Down
- 1. interior angles add to 360
- 2. the amount of space an object takes up
- 4. lines on the same plan that won't touch
- 5. shape with five sides
- 6. shape with six sides
- 7. a point moved on a graph
- 8. shape with seven sides
- 10. shape with eight sides
- 14. a point flipped over an axis
- 17. type of math
- 19. vertical angles are....