Across
- 2. a line or segment that cuts an angle into two equal parts
- 4. A line which cuts a line segment into two equal parts at 90 degrees
- 5. the center of the incircle of a triangle or other figure
- 7. angles in the same location on each intersection
- 9. a four-sided shape
- 10. a segment formed by a point on the circle and the center of the cicle
- 13. a rule or law, especially one expressed by an equation or formula
- 15. the amount of turn between two straight lines that have a common endpoint
- 16. a segment formed by two points on a circle
- 17. two angles on the inside of the lines on the same side of the transversal
- 19. two or more points that lie on the same line
- 20. A pair of non-adjacent angles formed by the intersection of two straight lines
- 23. to prove something true by proving everything else wrong
- 26. a line drawn to aid in a proof
- 27. a statement that is assumed without proof
- 29. joining a vertex to the midpoint of a side on a triangle
- 30. the point in the middle of a segment
- 31. to draw one figure within another
- 32. two angles that are adjacent and supplementary
- 33. where the three altitudes of a triangle intersect at a single point
Down
- 1. two angles on the outside of the lines on the same side of the transversal
- 3. a line that intersects two other lines
- 4. evidence to prove a statement true or false
- 6. the formal statement of the meaning or significance of a phrase
- 8. two angles on the inside of parallel lines on the opposite sides of the transversal
- 11. an opinion formed based on incomplete information
- 12. an angle that equals 180 degrees
- 14. two angles on the outside of parallel lines on the opposite sides of the transversal
- 18. two angles with a collective sum of 180 degrees
- 21. of a theorem the opposite of a theorem
- 22. to suggest or assume information
- 24. the point at which the perpendicular bisectors of the sides of a triangle intersect
- 25. a line with two fixed endpoints
- 28. three of more lines that intersect at the same point