Graham's Crossword

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Across
  1. 3. the distance from the center to the edge of a circle
  2. 6. a polygon with four sides
  3. 9. a polygon with ten sides
  4. 10. a closed shape with finite sides
Down
  1. 1. where two things intersect at 90 degrees
  2. 2. a quadrilateral with equal parallel sides
  3. 4. the amount of places the shape can extend
  4. 5. a triangle that has angles less than 90 degrees
  5. 7. the space something takes up
  6. 8. a triangle with no equal sides