Geometry CrossWord Puzzle

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Across
  1. 3. The intersection point of two sides of a figure
  2. 6. A location in space represented by a dot
  3. 7. An shape that has 3 sides
  4. 9. Two lines that intersect at a 90-degree angle and create 4 right angles
  5. 12. A quadrilateral that has 2 bases and they are parallel
  6. 14. Starts at a point and continues in one direction
  7. 16. 4 congruent sides, and their diagonals intersect at a 90-degree angle
  8. 17. A shape that has indentations
  9. 18. A line that divides a shape into two congruent halves
  10. 19. Operation that's put upon a shape or a figure
  11. 20. The space along the edges of the shape
Down
  1. 1. Two lines that will never intersect each other
  2. 2. The space within the shape
  3. 4. The point halfway between a line segment
  4. 5. A shape that has 4 right angles and 4 congruent sides
  5. 8. A point that lies on the same line
  6. 10. Equation: a^2 + b^2 = c^2
  7. 11. A straight path that connects 2 points and goes in both directions
  8. 13. A quadrilateral with two pairs of parallel lines
  9. 15. A shape that doesn't have any indentations