Geometry

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Across
  1. 1. An eight-sided polygon.
  2. 3. The irrational number that can be rounded to 3.14.
  3. 4. The space inside a shape.
  4. 5. A shape with 4 equal sides and 4 right angles.
  5. 7. A triangle with no equal sides.
  6. 8. One of the sides of a right triangle that is not the longest side.
  7. 12. A triangle with two equal sides.
  8. 16. A three sided polygon.
  9. 17. The unit of measurement for an angle.
  10. 18. A five-sided polygon.
  11. 19. A triangle with three equal sides.
Down
  1. 2. A triangle with one angle that is greater than 90 degrees.
  2. 3. A four-sided shape that has two sets of parallel sides.
  3. 6. The distance from the centre of a circle to the edge.
  4. 9. A two-dimensional shape with no straight edges.
  5. 10. A seven-sided polygon.
  6. 11. The longest side of a right triangle.
  7. 13. The distance around a shape.
  8. 14. A triangle with one 90 degree angle.
  9. 15. A six-sided polygon.