Mathematical terms

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Across
  1. 2. 3 dimensional rectangle
  2. 3. 3 dimensional triangle looking figure
  3. 5. 3 dimensional square
  4. 6. Three sided polygon
Down
  1. 1. lines that do not intersect or meet each other at any point in a plane
  2. 2. The collection of all points equidistant from a fixed point in a plane
  3. 4. six sided polygon
  4. 7. a polygon/figure with equal sides and angles