Geometry

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Across
  1. 3. a shape with 4 congruent sides
  2. 5. lines that cross to form 4 right angles
  3. 7. three sided polygon
  4. 8. the distance around a shape
  5. 9. opposite sides are equal, 4 right angles
  6. 11. lines that run side by side and never cross
Down
  1. 1. a shape with two sets of parallel sides
  2. 2. a polygon with 4 sides
  3. 4. a shape with 4 right angles, 4 equal sides
  4. 6. a polygon with 8 sides
  5. 10. the amount of space inside a shape