Geometry Crossword

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Across
  1. 3. where two sides meet
  2. 5. a shape with four sides
  3. 7. a side
  4. 8. the side closest to you
Down
  1. 1. the total distance of all the sides
  2. 2. the location that is equidistant from all sides
  3. 4. a shape with three sides
  4. 6. a line from one vertex to a non-adjacent vertex