Across
- 3. 2 angles whose sum is 90
- 4. quadrilateral with exactly one pair of opposite sides parallel
- 5. arcs who have the same measure as one another
- 8. comparison of two numbers by division
- 11. half of a circle
- 12. arc who's angle is less than 180
- 15. parallelogram with all right angles and opposite sides congruent
- 17. arc who angle is more than 180
- 18. prism who all sides are squares
- 19. the space between two points of a circle
- 20. all sides congruent and all four angles right
Down
- 1. the sum of the legs squared equal the sum of the hypotenuse squared
- 2. distance from the center of a circle to the outside
- 6. when a circle is rotated around its diameter
- 7. congruent angles formed by two intersecting lines
- 9. a shape who has no corners and is only formed by an arc where every distance around it are equidistant to the center
- 10. distance from one side of a circle to the other that passes through the center
- 13. parallelogram with consecutive sides congruent
- 14. length*width*height
- 16. lines of which will never touch