Geometry crossword

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Across
  1. 3. triangle with 2 sides of equal length
  2. 4. 4-side biconditional qual sides
  3. 5. statement that does not need to be proven true
  4. 7. the outside of a shape
  5. 11. combination of 2 conditional statements
  6. 12. theorem
  7. 13. the middle of a line segment
  8. 16. the degree where two lines meet
  9. 19. a triangle with all equal
  10. 20. inside of a shape
Down
  1. 1. an angle less than 90 degrees
  2. 2. y=1/2x+b
  3. 6. polygon with 8 sides
  4. 8. math statement appears to be true but not proven
  5. 9. a triangle with a 90-degree angle
  6. 10. something that connects two points
  7. 14. lines that will never intercept
  8. 15. angle an angle more than 90 degrees
  9. 17. triangle A triangle with no equal sides or angles
  10. 18. a quadrilateral with a pair of adjacent sides