Language Of Geometry

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Across
  1. 1. instrument for mesuring angles
  2. 7. the figure two rays make when they meet
  3. 8. idealization of objects which are often described in terms of two points
  4. 9. two lines that share one point
  5. 12. lines in a place that are always the same distance apart
  6. 13. a vector from point to point
  7. 14. middle part of a line segment
  8. 16. each angular point of a polygon
Down
  1. 2. the angle bounded by two lines perpendicular to eachother
  2. 3. lines that intersect at a 90 degree angle
  3. 4. a part cut off from a figure
  4. 5. device used to measure distances of straight lines
  5. 6. a precise location or place in a plane
  6. 10. an angle whose sides lie in opposite directions
  7. 11. 2D doubly ruled surface
  8. 15. a measurement of a plane angle in which one full rotation is 360 degrees