Give Thanks for Geometry

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Across
  1. 1. Angles that "are next to one another" or share the same side.
  2. 4. The number of degrees in a straight angle.
  3. 6. A quadrilateral with two pairs of parallel sides and all sides are equal in length
  4. 7. What some of you might say 1 plus 1 equals.
  5. 9. A triangle with one angle larger than 90 degrees and all sides are unequal
  6. 11. Angles that are on the same side of a transversal, congruent, and each border a different parallel line.
  7. 15. The sum of the angles in every triangle
  8. 17. A quadrilateral with two pairs of parallel sides, all sides are equal in length, and all angles are 90 degrees
  9. 18. What is 1 plus 1?
  10. 19. A word that means to say thank you or give thanks
  11. 22. Two shapes that have the same shape and the same area
  12. 23. A triangle with one angle larger than 90 degrees and two equal sides
Down
  1. 2. Angles that add to 90 degrees.
  2. 3. Lines that intersect to make four, ninety degree angles.
  3. 5. Angles that add to 180 degrees
  4. 6. A triangle with one 90 degree angle and 2 equal sides
  5. 8. A quadrilateral that has one pair of parallel sides
  6. 10. How many sides a hexagon has.
  7. 12. How many sides a decagon has.
  8. 13. A type of triangle that has 3 equal sides and three equal angles
  9. 14. Two shapes that have the same shape, but different area
  10. 16. Two shapes that are different in shape but the same in area
  11. 20. Angles that share the same vertex, but are across that vertex from one another and are congruent.
  12. 21. A triangle where all angles are less than 90 degrees and all sides are unequal