Geometry

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Across
  1. 2. a line from the center of a circle to the edge
  2. 4. a quadrilateral with four congruent sides
  3. 9. sine, cosine, and tangent for example
  4. 10. a way of measuring angle
  5. 11. the space inside a shape
  6. 13. a seven sided polygon
  7. 14. a many sided shape
  8. 17. a line that cuts a circle in half
  9. 19. shapes with same angles but different size
  10. 21. a way of measuring angles based on pi
  11. 23. an angle of 90 degrees
  12. 26. the inverse of a fraction
  13. 27. a line or ray that cuts an angle in half
  14. 28. part of the outside edge of a circle
Down
  1. 1. this shape has no sides
  2. 3. an angle of less than 90
  3. 5. an angle greater than 90
  4. 6. this polygon has congruent opposite angles
  5. 7. the mathematical opposite
  6. 8. these lines cross at a 90 degree angle
  7. 12. having the same measure
  8. 14. two fractions that are equal to each other
  9. 15. an enlargement or reduction of a shape
  10. 16. this polygon has a total of 180 interior degrees
  11. 18. a quadrilateral with four 90 degree angles
  12. 20. both a rhombus and a rectangle
  13. 22. these lines never cross and have the same slope
  14. 24. the distance around a shape
  15. 25. 9,81,100 for example