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