Geometry Final Review Crossword Puzzle

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Across
  1. 2. It is important to remember that when using the ASA or SAS postulates, you must use the _____ side for ASA and angle for SAS.
  2. 9. Euclid described this as, "that which has no part."
  3. 12. In a plane, two points equidistant from a line segment's endpoint determine the _____ _____ of that line segment.
  4. 14. b is the geometric mean between a and c if a/b = b/c
  5. 16. This is parallel to the third side of a triangle and half as long as it too.
  6. 17. A/An _____ angle of a triangle is equal to the sum of the remote interior angles.
  7. 18. If two angles of one triangle are equal to two angles of another triangle, you can't prove congruence but you can prove this.
  8. 19. According to this theorem, if given, A-B-C, then, AB + BC = AC.
  9. 20. Two angles form a _____ _____ iff they have a common side and their sides are opposite rays
  10. 22. A figure has this with respect to a point iff it coincides with its rotation image through less than 360 degrees about the point.
  11. 26. By interchanging the hypothesis and conclusion of a conditional statement (changing a-->b to b-->a), you form its _____.
Down
  1. 1. If the angles in a linear pair are equal, then their sides are _____.
  2. 3. The _____ of a parallelogram bisect each other.
  3. 4. According to this theorem, if a line parallel to one side of a triangle intersects the other two sides, it divides the sides in the same ratio. According to the corollary of this theorem, we can also know that in the figure, AD/AB = AE/AC and DB/AB = EC/AC
  4. 5. Three of these type of points determine a plane.
  5. 6. These are used to visualize how conditional statements relate to each other.
  6. 7. If angle 1 and angle 2 have a sum of 90 degrees, then angle 1 is a _____ of angle 2 and vice versa.
  7. 8. The angles in a linear pair are _____, that is, their sum is 180 degrees.
  8. 10. Two angles are _____ _____ iff the sides of one angle are opposite rays to the sides of the other.
  9. 11. This theorem states that if two angles are supplementary to the same third angle, them they are equal.
  10. 13. Vertical angles are always _____ to each other.
  11. 15. You can prove that two triangles are _____ if two angles and one of their opposite sides are equal to the corresponding parts of another triangle.
  12. 21. You can describe lines as _____ if you have equal alternate interior angles, supplementary interior angles on the same side of a transversal, two lines perpendicular to a third line (in a plane), or equal corresponding angles.
  13. 23. To find the area of a parallelogram one would find the product of any base and its corresponding one of these.
  14. 24. This transformation maintains the distance and angle measures.
  15. 25. A figure has this type of rotation symmetry if the smallest angle through which it can be turned to look exactly the same is 360 degrees/6.