Geometry Exam Puzzle

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Across
  1. 6. point where a line crosses an axis
  2. 8. shapes whose sides are proportional
  3. 9. part of a circle
  4. 11. longest chord in a circle
  5. 12. solid with no bases
  6. 14. comparison of 2 numbers
  7. 19. A = bh
Down
  1. 1. solid with 1 polygon base and triangle sides
  2. 2. arc that is less than 180°
  3. 3. triangle that uses the Pythagorean Theorem
  4. 4. angle with a vertex on the circle
  5. 5. line that touches a circle in exactly 2 points
  6. 7. solid with 2 circular bases
  7. 8. ratio of rise to run
  8. 10. ratio of opposite to hypotenuse
  9. 13. lines with opposite reciprocal slopes
  10. 15. mathematical equation that helps find area
  11. 16. quantity found using the formula πr^2h
  12. 17. middle two terms in a proportion
  13. 18. line that touches a circle exactly once