Across
- 6. 90 degrees
- 7. created by angle bisectors
- 9. y-y1=m(x-x1)
- 10. flips the hypothesis and conclusion
- 11. where the sides intersect
- 12. two supplementary angles that form a straight line
- 13. three pairs of congruent sides
- 14. if a=b, then b=a
- 17. 180 degrees
- 19. have the same slope
- 20. congruent angles across from each other
Down
- 1. the longest leg of the triangle
- 2. created by perpendicular bisectors
- 3. negates and flips the hypothesis and conclusion
- 4. corresponding parts of congruent triangles are congruent
- 5. have negative reciprocal slopes
- 8. negates the hypothesis and conclusion
- 15. two congruent sides(legs)
- 16. a=a
- 18. a flat surface made up of points