Christmas Geometry

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Across
  1. 3. The type of treat left out for Santa on Christmas eve.
  2. 6. Equal in measure.
  3. 7. A three dimensional figure with a circular base and vertex.
  4. 9. The equal measure between two perpendicular lines.
  5. 11. A holiday celebrated by Christians on December 25th.
  6. 13. A line drawn through a figure in order to complete a proof.
  7. 14. A statement defined by postulates, definitions and terms.
  8. 15. An if-then statement.
  9. 17. Decorative pieces added to Christmas trees.
  10. 18. A statement made by switching the hypothesis and conclusion of the conditional statement.
  11. 19. A triangle consisting of two equal sides and angles.
  12. 20. Equal parts on polygons.
  13. 23. Lines that intersect at a common point.
  14. 26. A angle bigger then 90 degrees.
  15. 27. A statement accepted as true, which describes connections between geometry terms.
  16. 28. A measure of how much space a three dimensional figure takes up.
Down
  1. 1. A three dimensional figure made up of two circular bases.
  2. 2. The type of weather everyone hopes for on Christmas day!
  3. 4. The point where the lines intersect in a triangle.
  4. 5. Endpoint of an angle.
  5. 6. The point of intersecting lines that passes through the midpoint of a triangle.
  6. 8. A line that goes through a triangle, making perpendicular lines.
  7. 10. The halfway point on a line.
  8. 12. Gifts given to another person on Christmas that are wrapped.
  9. 14. A segment which divides lines into a plane at different points.
  10. 16. A man dressed in red who gives presents on Christmas.
  11. 21. The red-nosed-reindeer belonging to Santa.
  12. 22. What hangs above the fireplace and is filled with gifts.
  13. 24. The night before Christmas.
  14. 25. Santa's helpers who make presents.