Across
- 1. a line segment from the center of a circle to a point on the circle
- 3. a statement you write when triangles are congruent
- 5. a point where two rays meet
- 6. any two angles whose sum is 180 degrees
- 9. formed by negaton and switching the hypothesis and conclusion
- 12. what flips a figure across a line
- 14. has one endpoint and extends infinitely in one directon
- 16. interior angles that are on the same side of the transversal
- 17. a line passing through the center of a circle with endpoints on the circle
- 19. the three medians of a triangle intersect at a point
- 23. angles no the same side of the transversal
- 26. formed by switching the hypothesis and conclusion
- 27. part of a line with two endpoints
- 29. the opposite truth value
- 30. all angles and all sides are equal
- 33. two angles that are next to each other and share a common side
- 35. segment connecting the midpoints of two sides of the triangles
- 37. noncoplanar lines that never intersect
- 38. a segment joining a vertex to the midpoint of the opposite side
- 39. to label an image after transformation
- 40. a change that moves a figure in some way
- 41. specific location
- 43. what enlarges or reduces a figure proportionally
- 44. when a triangle has the same sides and angles
- 48. two lines that never meet
- 49. what turns a figure around a fixed point
- 50. two angles across from each other on intersecting lines
- 51. two angles that are adjacent and supplementary
- 52. keeps the size and shape of a figure the same after movement
Down
- 2. interior opposite sides of the transversal
- 4. if a point is on a bisector of an angle, then the point is equidistant from the sides of the angle
- 7. a flat, two-dimensional surface extending infinitely
- 8. the line used to reflect a figure
- 10. cuts a segment into two equal parts at a right angle
- 11. formed by negating the hypothesis and conclusion
- 13. the perpendicular bisector of the sides of a triangle intersect at a point
- 15. exterior angles that are on the same side of the transversal
- 18. statements are true both ways
- 20. what is used to find a missing side length on a right triangle
- 21. Drawing inside another shape so it touches the boundary
- 22. the point at which the three altitudes intersect in a triangle
- 24. a segment that joins the midpoints of two sides of a costume
- 25. exterior opposite sides of the transversal
- 28. a straight path that extends infinitely in two direction
- 31. points that are the same distance from a given point
- 32. two or more planes that never intersect
- 34. lines that form a 90 degree angle
- 36. any two angles whose sum is 90 degrees
- 42. a closed figure with straight sides and all equal angles
- 45. a movement of a figure without rotation
- 46. a directed line segment with magnitude and direction
- 47. used to prove parts are congruent