Geometry Crossword Puzzle

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Across
  1. 3. a point that divides the line segment into two equal halves.
  2. 5. the geometrical concept of a flat surface with no edges or thickness.
  3. 9. Half of the diameter.
  4. 10. a point where two straight lines or rays meet.
  5. 12. L x W
  6. 14. the amount of space occupied by any three-dimensional solid.
  7. 15. a chain of deductions through which the truth of given statements is verified.
Down
  1. 1. a line segment whose two extremities are points located on the circumference of the same circle.
  2. 2. a line section that can link two points.
  3. 4. where two geometric objects meet, or the point or points where they cross each other graphically.
  4. 6. a one-dimensional figure, which has length but no width.
  5. 7. a line that divides a line or an angle into two equivalent parts.
  6. 8. to have the same shape and size.
  7. 11. a unit used to represent the measurement of an angle.
  8. 13. a smooth curve joining two endpoints.