geometry 2

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