Geometry Crossword

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Across
  1. 2. if x=y and y=z then x=z
  2. 7. angles that add to 180
  3. 9. a triangle with all sides of equal length
  4. 10. a 6 sided polygon
  5. 11. a quadrilateral with 2 pairs of parallel sides
  6. 13. a segment that connects the midpoints of any 2 sides of a triangle
  7. 14. a quadrilateral with 4 right angles and 4 equal sides
  8. 15. a mnemonic for remembering the definitions of the trigonometric functions sine, cosine, and tangent
  9. 16. a line segment that has both endpoints on a circle
  10. 19. a triangle with 2 sides of equal length
  11. 20. a quadrilateral with 2 pairs of consecutive, equal sides
Down
  1. 1. an angle in a circle with its vertex at the center of the circle
  2. 3. a polygon with four sides
  3. 4. a^2 + b^2 = c^2
  4. 5. a quadrilateral with one pair of parallel sides
  5. 6. events that can never happen at the same time
  6. 8. a transformation that maintains the shape of a figure but multiplies its dimensions by a chosen factor
  7. 12. angles that are 90 degrees
  8. 14. a triangle with no sides of equal length
  9. 17. divide in 2 equal parts
  10. 18. 2-dimensional closed figure made up of straight line segments connected end-to-end