Geometry Crossword

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Across
  1. 2. lines /two lines that are always the same distance apart and never touch.
  2. 3. / All three sides in one triangle are congruent.
  3. 4. / Two sides, and the included angle; angle is between 2 marked sides.
  4. 6. Triangle / triangles that have 3 congruent sides and angles.
  5. 7. Bisector / line or ray that divides an angle into two congruent angles.
  6. 9. Interior Angles / angles that don't share a vertex or corner of a triangle with the exterior angle.
  7. 11. / to turn a figure.
  8. 12. Property / If a = b and b = c, then a = c.
  9. 13. two angles whose sum is 90 degrees.
  10. 15. / The figure formed by three segments joining three noncolinear points.
  11. 16. Angles / angles that are formed when a transversal passes through two lines.
  12. 22. Property / states that if x = y, then x can be substituted in for y in any equation, and y can be substituted for x in any equation.
  13. 23. Property/ used when a figure is congruent to itself.
  14. 24. / Two angles and the included side; side is between 2 marked angles.
  15. 27. / Only used for right triangles.
  16. 28. / a mirror image of a figure; to flip over a line.
Down
  1. 1. /movement/slide on the coordinate plate.
  2. 3. Addition Postulate / states that given 2 points A and C, a third point B lies on the line segment AC if and only if the distances between the points satisfy the equation AB + BC = AC.
  3. 5. Interior Angles /angles that are formed when a transversal passes through two lines.
  4. 8. Angles/ the non-adjacent angles formed by two intersecting lines.
  5. 10. / Two angles and one side that is NOT included.
  6. 14. lines /lines meeting each other at a right angle.
  7. 17. / a line that cuts across two or more lines.
  8. 18. Angles / the angle between any side of a shape, and a line extended from the next side.
  9. 19. Interior Angles /when two lines are crossed by a transversal, the pairs of angles on one side of the transversal, but inside the two lines.
  10. 20. Triangle / triangle with all sides congruent.
  11. 21. Pairs/ two adjacent angles that are supplementary.
  12. 25. Corresponding parts of congruent triangles are congruent.
  13. 26. / the exact middle point.