Geometry final project

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Across
  1. 2. word tool used for cos
  2. 5. a^2+b^2=c^2
  3. 7. word tool used for tan
  4. 11. triangle with at least two congruent sides
  5. 13. lines with 90-degree angles
  6. 15. two lines that never connect
  7. 16. part of the line bounded by two points connecting it
  8. 17. shape with 3 points with degrees that equal 180
  9. 18. angle that is in the center
  10. 19. angle of perfect 90 degrees
  11. 20. triangle with all sides equal
Down
  1. 1. triangle with no congruent sides
  2. 3. tan, cos, sin of a degree to get the missing side of a triangle
  3. 4. word tool used for sin
  4. 6. part of a line that consists of two end points and all endpoints between them
  5. 8. ray that divides an angle into two adjacent angles
  6. 9. space between two intersecting lines
  7. 10. an angle less than 90 degrees but more than 0
  8. 12. an angle that is more than 90 degrees less than 180 degrees
  9. 14. a triangle with all acute angles