Geometric Vocabulary

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Across
  1. 2. the presentation of statements that are assumed or known to be true as premises for a conclusion
  2. 4. 2 angles that add up to 180 degrees
  3. 5. a plane figure with four equal straight sides and four right angles
  4. 6. any pair of angles each of which is on the same side of one of two lines cut by a transversal and on the same side of the transversal.
  5. 7. the action of turning around an axis or center.
  6. 11. the sides that are in the same position in any similar 2-dimensional shapes
  7. 14. the figure formed by two rays meeting at a common end point
  8. 15. given statements that prove a mathematical concept is true
  9. 18. A triangle with a right angle
  10. 20. 90 degree angle
  11. 21. 2 items position side by side never touching
  12. 23. A triangle with all 3 sides equal
  13. 24. A line that crosses at least two other lines
  14. 25. identical in form
Down
  1. 1. A transformation that does not alter the size or shape of a figure; rotations, reflections, translations
  2. 3. A triangle with all 3 angles equal
  3. 8. 2 lines coming together at 1 point
  4. 9. 3 sided geometry figure.
  5. 10. A triangle with at least 2 sides congruent
  6. 12. any combination of points, lines, or planes
  7. 13. the quality of being made up of exactly similar parts facing each other or around an axis
  8. 16. two angles that add up to 90 degrees
  9. 17. Never ending ray of points
  10. 19. a general proposition not self-evident but proved by a chain of reasoning; a truth established by means of accepted truths
  11. 22. A plane figure with four straight sides and four right angles, especially one with unequal adjacent sides, in contrast to a square.