Geometry

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Across
  1. 1. to look at something
  2. 3. to be in the past
  3. 5. a shape with 4 sides and 4 corners
  4. 7. the edge of an area or shape
  5. 9. up to the time
Down
  1. 2. where two lines meet
  2. 3. to stay where you are
  3. 4. a line that connects two corners
  4. 6. utilize
  5. 8. a polygon with three sides and three corners