geometry crossword puzzle

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Across
  1. 3. the horizontal change in a coordinate plane
  2. 6. two lines that intersect to form right angles
  3. 7. the slanted change in a coordinate plane
  4. 8. a segment that connects the center of a circle to a point on the circle
  5. 9. lines two lines in the same plane that never intersect
  6. 11. a closed figure with three sides and three angles
  7. 13. a line that touches a circle at exactly one point
  8. 14. angle a type of angle that measures greater than 90 degrees but less than 180 degrees
  9. 15. a closed figure with four sides and four angles
Down
  1. 1. two figures that have the same shape and size
  2. 2. the point where two rays or sides meet
  3. 4. a straight line that intersects two or more other lines
  4. 5. the set of points equidistant from the center of a circle
  5. 10. angle an angle that measures 90 degrees
  6. 11. a transformation that slides a figure without turning it
  7. 12. the amount of space inside a two dimensional figure