Geometry

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Across
  1. 3. A polygon with eight sides(7)
  2. 6. A polygon with five sides(7)
  3. 8. A shape with six sides(6)
  4. 9. The longest side of a right triangle(10)
  5. 10. A 90-degree angle(5)
Down
  1. 1. A four-sided figure with opposite sides parallel(13)
  2. 2. The distance around a circle(13)
  3. 4. A line touching a circle at one point(7)
  4. 5. A triangle with all sides equal(11)
  5. 7. A point where two lines meet(6)