Geometry Crossword puzzles

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Across
  1. 3. this polygon called ___ has 6 sides
  2. 5. a polygon where all sides and angles are congruent
  3. 8. these lines intersect to form a 90 degree angle
  4. 10. angles that are next to each other
  5. 11. a flat surface that goes on forever in all directions.
  6. 12. opposite angles formed by intersecting lines are always ____
  7. 13. the amount of space inside a solid figure
  8. 14. a straight path that never ends on either side
  9. 17. What type of angle would 120 degree be?
  10. 21. factor numbers used to enlarge or reduce a figure
  11. 22. the perimeter of a circle is called the ____
  12. 24. translation: move: _____ : mirror complete analogy
  13. 25. a soda can is an example of this 3D figure
  14. 27. railroad tracks are an example of these lines
  15. 28. same shape different sizes
  16. 29. a tiny dot , no length or width
Down
  1. 1. a2 + b2 = c2
  2. 2. ___ measures less than 90 degrees
  3. 4. a statement using “if and only if"
  4. 6. a math prediction made from noticing patterns
  5. 7. a basketball is shaped like a ____
  6. 9. a triangle where no sides are equal
  7. 15. an example that can destroy an entire rule
  8. 16. rectangles, squares, and trapezoids all fall under this category
  9. 18. This triangle has at least 2 congruent sides
  10. 19. a type of transformation where you move the shape(left right down up)
  11. 20. a figure spinning around a fixed point shows this transformation
  12. 23. half a diameter is called this
  13. 25. figures with the same size and shape are called this
  14. 26. a segment that passes through the center of the circle