Across
- 2. a quadrilateral that has two pair of consecutive sides, but opposite sides are not congruent
- 4. a parallelogram with four congruent sides
- 6. parallelogram with four congruent sides and four right angles
- 10. add to 180
- 11. of a triangle the triangle formed by the three midsegments of a triangle
- 12. of a triangle the point of concurrency of the medians of the triangle
- 15. a quadrilateral with exactly one pair of parallel sides
- 16. part of a line with one endpoint and extends indefinitely in one direction
- 17. many sided figure
- 18. bisector goes from vertex to opposite side, bisecting the angle
- 19. goes from vertex perpendicular to opposite side
Down
- 1. statement that can be proven
- 3. trapeziod a trapezoid whose legs are congruent
- 5. a statemnt accepted to be true without proof
- 7. add to 90
- 8. polygon all sides and all angles are congruent
- 9. point of concurrency
- 11. goes from vertex to midpoint of opposite side
- 13. parallelogram with four right angles
- 14. a segment that connects any two consecutive vertices
- 19. angles two angles that arecoplanar