Geometry

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Across
  1. 4. math that deals with points, lines, planes and solids
  2. 5. a set of points which has infinite length but no width or height. A line is named by a lower case letter or by any two points on the line.
  3. 6. is the part of a line that contains an endpoint and all the points extending in the other direction
  4. 7. has no size, length, width or height. It is represented by a dot and named by a single letter
  5. 8. set of points that has infinite length and width but no height.
Down
  1. 1. part of a line that consists of two points called endpoints and all the points in between
  2. 2. points that lie on the same line
  3. 3. points that do not lie on the same line