Across
- 2. If two sides of a triangle are congruent, then the angles opposite the sides are congruent
- 5. If two parallel lines are cut by a transversal, then the pairs of alternate interior angles are congruent
- 6. If two coplanar lines are cut by a transversal so that a pair of alternate exterior angles are congruent, the the two lines are parallel
- 7. difference in the y-values of two points on a line
- 12. transformation that turns
- 15. If two parallel lines are cut by a transversal, then the pairs of corresponding angles are congruent
- 18. If three side of one triangle are congruent to three sides of another triangle, then the triangles are congruent
- 20. Has three acute angles
- 22. It two angles and the included side of one triangle are congruent to two angles and the included angle side of another triangle, then the triangles are congruent
- 23. If two coplanar lines are cut by a transversal so that a pair of corresponding angles are congruent, then the two lines are parallel
- 28. If a triangle is equiangular, then it is equilateral
- 29. transformation that flips
- 31. Has no congruent sides
- 32. Has at least two congruent sides
- 33. transformation that slides
- 34. Has one right angle
- 36. If two angles and a nonincluded side of one triangle are congruent to the corresponding angles and nonincluded side of another triangle, then the triangles are congruent
- 37. If two parallel lines are cut by a transversal, then the two pairs of alternate exterior angles are congruent
- 38. states that the measure of an exterior angle of a triangle is equal to the sum of the measures of its remote interior angles
- 39. If two parallel lines are cut by a transversal, then the two pairs of same-side interior angles are supplementary
- 40. If two sides and the included angle of one triangle are congruent to two sides and the included angle of another triangle, then the triangles are congruent
Down
- 1. a theorem whose proof follows directly from another theorem
- 3. If two coplanar lines are cut by a transversal so that a pair of alternate interior angles are congruent, then the two lines are parallel
- 4. the ratio of rise to run
- 8. Has three congruent acute angles
- 9. If two coplanar lines are cut by a transversal so that a pair of same side interior angles are supplementary, then the two lines are parallel
- 10. a line that intersects two coplanar lines at two different points
- 11. Has three congruent sides
- 13. States that the sum of the angle measures of a triangle is 180 degrees
- 14. Has one obtuse angle
- 16. If two angles of a triangle are congruent, then the sides opposite those angles are congruent
- 17. intersect at 90 degree angles
- 19. not coplanar or parallel and do not intersect
- 21. If the hypotenuse and a leg of a right angle are congruent to the hypotenuse and leg of another right triangle, then the triangles are congruent
- 24. difference in the x-values of two points on a line
- 25. are coplanar and do not intersect
- 26. States that if two angles of one triangle are congruent to two angles of another triangle, then the third pair of angles are congruent
- 27. If a triangle is equiangular, then it is equilateral
- 30. planes that do not intersect
- 35. an abbreviation for the phrase "Corresponding parts of Congruent triangles are Congruent"