Geometry Basic Vocabulary

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Across
  1. 2. a part of a line that has a fixed starting point but no end point. It can extend infinitely in one direction.
  2. 3. two lines that intersects to form a right angle
  3. 7. an angle whose measures is 180 degrees
  4. 10. a flat, two-dimensional surface that extends infinitely far.
  5. 11. a three dimensional object. The three dimensions are called width, depth and height
  6. 12. an angle whose measures is 90 degrees
  7. 13. an angle whose measures is greater than 90 degrees and less than 180 degrees
  8. 15. is a location. It has no length, no width, and no depth.
Down
  1. 1. lines in the same plane that do not intersect
  2. 4. two angles whose measures have a sum of 90 degrees
  3. 5. two angles whose measures have a sum of 180 degrees
  4. 6. one dimension-extends infinitely and has no thickness or width.
  5. 8. an angle whose measures is greater than 0 degrees and less than 90 degrees
  6. 9. set of points forming a closed figure, where every point is a fixed distance from the center
  7. 11. part of a line that consists of two endpoints and all points between them. There are two points and a fixed distance between them.
  8. 14. figure consisting of two rays with a common starting point (vertex)