Geometry Crossword Puzzle

2. if two parallel lines are cut by a transversal, then _____ interior angles are congruent
5. a rigid transformation that takes a point to another point on the circle through the original point with the given center; the two radii to the original point and the image make the given angle
8. two lines that will never intersect
9. the three _____ measures of any triangle always sum to 180 degrees.
10. if two parallel lines are cut by a ______, then corresponding angles are congruent.
11. if a polygon fits inside a circle and every vertex of the polygon is on the circle
12. a statement that has been proven mathematically
13. two figures are ________ if there is a sequence of rigid transformations that takes the first figure exactly onto the second figure

1. a rigid transformation that takes a point to another point that is the same distance from the given line, is on the other side of the given line, and so that the segment from the original point to the image is perpendicular to the given line
3. a reasonable guess you are trying to either prove or disprove
4. a translation, reflection, rotation, or any sequence of the three
6. a part of the first figure and its image in the second figure if there is a rigid transformation that takes one figure onto another
7. a rigid transformation that takes a point to another point so that the directed line segment from the original point to the image is parallel to the given line segment and has the same length and direction
11. the new figure after a transformation, usually denoted A'