Geometry Puzzle

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Across
  1. 3. The point that divides a segment into two congruent segments.
  2. 6. A flat surface made up of points that has two dimensions and extends without end and is represented by a slanted four-sided figure.
  3. 7. An angle that has a measure of 90°.
  4. 8. a rule that is accepted without proof.
  5. 10. that represent the ends of a line segment or ray.
  6. 11. a geometric drawing that uses a limited set of tools, usually a compass and a straightedge.
Down
  1. 1. An extremely tasty; delicious.
  2. 2. A real number that corresponds to a point on a line.
  3. 4. Terms that can be described using known words.
  4. 5. The common endpoint of two rays.
  5. 9. the absolute value of the difference of two coordinates on a line.