Vocab Crossword Puzzle

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Across
  1. 3. a flat surface that expends indefinitely in all directions.
  2. 5. repetitions of observations of the same item/focus that occur in single or multiple cases.
  3. 8. an angle that measures more than 90 degrees.
  4. 10. the longest side of a right triangle.
  5. 11. when lines intersect to form right angles.
  6. 12. an angle that measures exactly 180 degrees.
  7. 13. a statement that we can't prove but will accept it as being true.
  8. 15. has two endpoints.
  9. 18. an educated guess that is based on examples in a pattern.
  10. 19. has one endpoint.
  11. 20. two airplanes flying at different altitudes and different directions.
  12. 22. represents a location in space.
  13. 23. a point where two straight lines or rays meet.
  14. 24. points that lie on the same line.
  15. 25. one thousandth of a meter.
  16. 26. an ancient greek philosopher and the founder of pythagoreanism.
Down
  1. 1. objects that lie on the same plane.
  2. 2. the same slope or steepness and never intersect.
  3. 4. a flat geometric figure that has three sides and three angles.
  4. 6. made up of an infinite set of points and extend indefinitely and have no thickness or width.
  5. 7. an angle that measures less than 90 degrees.
  6. 9. the process of arriving at a conclusion based on a set of observations.
  7. 11. a quadrilateral with opposite sides parallel and equal.
  8. 13. the sum of the squares on the legs of a right triangle is equal to the square on the hypotenuse.
  9. 14. two rays with a common endpoint.
  10. 16. a set of numbers arranged in a sequence such that they are related to each other in a specific rule.
  11. 17. one of a triangles sides.
  12. 21. when two or more lines meet or cross each other in a plane.