Geometry Crossword

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Across
  1. 4. The distance around an object
  2. 8. Side oppose the right angle in a right triangle
  3. 10. event An event whose outcome is not affected by the outcome of another event
  4. 13. Set formed by combining all elements of two or more sets
  5. 14. triangle Triangle with three acute angles
  6. 15. lines Lines that do not intersect
  7. 16. angles Angles that measure 180 degrees
  8. 17. Sides that form the right angle in a right triangle
  9. 18. lines Lines that intersect to form four right angles
  10. 19. Formula for trigonometry
Down
  1. 1. Figure with three sides and three angles
  2. 2. The steepness of a line
  3. 3. event An event whose outcome is affected by the outcome of another event
  4. 5. The point halfway between two points
  5. 6. When a figure has all equal sides
  6. 7. A group of anything that is selected according to a well-defined rule
  7. 9. The length between two points
  8. 11. The likelihood of an event happening
  9. 12. angles Angles that measure 90 degrees
  10. 16. A set that forms part of another given set