Geometry Terms Project

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Across
  1. 4. A technical drawing instrument that can be used for inscribing circles or arcs.
  2. 7. Cuts a line segment into two congruent parts and passes through the midpoint
  3. 8. An angle that equals 180 degrees
  4. 11. A proposition or statement that is demonstrated
  5. 15. An angle that measures less that 180 degrees and more than 90 degrees
  6. 18. A point, line, or curve common to two or more objects
  7. 19. The process of arriving at a conclusion based on a set of observations. .
  8. 20. Any of the two furthest points on a line segment.
  9. 21. A location represented by a dot
Down
  1. 1. The basic structure from which lemmas and theorems are derived.
  2. 2. Having the same shape and size
  3. 3. An infinitely thin, infinitely long collection of points extending in two opposite directions.
  4. 5. A combination of two rays (half-lines) with a common endpoint
  5. 6. An angle that measures 90 degrees
  6. 9. A part of a line that has one endpoint and goes on infinitely in only one direction.
  7. 10. An angle that measures less than 90 degrees.
  8. 12. A part of a line that is bounded by two distinct end points
  9. 13. The angle between a side of a polygon and an extended adjacent side.
  10. 14. Points on the same line.
  11. 16. A measuring instrument, typically made of transparent plastic or glass, for measuring angles.
  12. 17. The middle point of a line segment.