Crossword Puzzle

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Across
  1. 3. length of the starting and stopping points of a particular line segment
  2. 4. a triangle with 3 equal sides
  3. 6. Two distinct lines that do not intersect
  4. 12. a angle that is exactly 90*
  5. 13. the division of something into two equal or congruent parts
  6. 14. line that cross at a point
  7. 15. an angle that is less than 180*
Down
  1. 1. a straight line that is bounded by two distinct end points
  2. 2. the highest point; the top or apex
  3. 5. two lines that meet or intersect each other at right angles
  4. 7. the space (usually measured in degrees) between two intersecting lines or surfaces at or close to the point where they meet
  5. 8. identical in form
  6. 9. a plane figure with three straight sides and three angles
  7. 10. an angle smaller than a right angle.
  8. 11. shown as a dot that represents location