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Across 1. An angle that measures 90 degrees is considered 4. Points that lie in the same plane are ______. 8. A quadrilateral with four congruent sides and four right angles 10. To divide into two congruent parts. 14. A triangle with one right angle 15. A quadrilateral with exactly one pair of parallel sides 21. A drawing that shows a 3-D object in which the line of sight for each view is perpendicular to the plane of the picture. 23. The "pointy end" of a polygon. 24. The process of reasoning that a rule or statement is true because specific cases are true. 25. The angle formed by a horizontal line and a line of sight to a point above. 26. A six sided object 29. The trig function that is the ratio of the adjacent side to the hypotenuse. 34. A straight path that has no thickness and extends forever. 35. Two lines cut by a transversal, a pair of angles that lie on opposite sides of the transversal and outside the other two lines 36. Points that lie on the same side 37. Two lines cut by a transversal, a pair of angles that lie on the same side of the transversal and on the same sides of the other two lines 38. A triangle with at least two congruent sides is an _________ triangle 43. Part of a line that starts at an endpoint and extends forever in one direction. 44. The point of concurrency of the three angle bisectors of a triangle 45. A triangle with no congruent sides. 46. The trig function that is the ratio of the opposite side to the hypotenuse. 50. A perpendicular segment from a vertex to the line containing the opposite side. 51. A ray that divides an angle into two congruent angles. 52. An angle that measures more than 90 degrees is considered 54. A line that intersects two coplanar lines at two different points 55. A quadrilateral with four right angles. 56. The trig function that is the ratio of the opposite side to the adjacent side. 57. A segment that joins the midpoints of two sides of a triangle. 58. A quadrilateral with exactly two pairs of congruent consecutive sides. 59. Part of a line consisting of two points and all points between them. 60. A closed plane figure formed by three or more segments such that each segment intersects exactly two other segments only at their endpoints.

Down 2. A statement that has been proven. 3. A quadrilateral with two pairs of parallel sides 5. a flat surface that has no thickness and extends forever. 6. A quadrilateral with four congruent sides and diagonals that are perpendicular 7. A transformation that changes the size of a figure but not its shape. 9. A triangle with one obtuse angle 11. Two objects with the same shape but not necessarily the same size 12. The distance around a circle 13. A segment whose endpoints lie on a circle. 16. Two lines cut by a transversal, a pair of nonadjacent angles that lie on opposite sides of the transversal and between the other two lines 17. A quantity that has both magnitude and direction. 18. A comparison of two quantities by division. 19. Nonadjacent angles formed by two intersecting lines (they form an "X"). 20. The process of using logic to draw conclusions. 22. The angle formed by a horizontal line and a line of sight to a point below. 27. two rays that have a common endpoint and form a line. 28. A triangle with three congruent sides is an _________ triangle 30. The point of concurrency of the altitudes of a triangle. 31. Lines that are not coplanar. 32. A three-sided polygon. 33. An argument that uses logic to show that a conclusion is true. 39. The point of concurrency of the three medians of a triangle. 40. A figure formed by two rays with a common endpoint. 41. A four-sided polygon. 42. The point of concurrency of the three perpendicular bisectors of a triangle 47. names a location and has no size, represented by a dot. 48. A polygon with all sides and all angles congruent is called a _______ polygon. 49. A five sided object. 53. An angle that measures less than 90 degrees is considered