Triangle Vocab

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Across
  1. 3. when two parallel lines are crossed by a transversal, the pair of angles formed on the inner side of the parallel lines, but on the opposite sides of the transversal are called _____ interior angles
  2. 5. two or more angles that are identical to each other
  3. 6. two angles are called _____ when their measures add up to 180 degrees
  4. 7. a transformation/motion that doesn't change the measurements on any figure
Down
  1. 1. two angles are called _____ when their measures add to 90 degrees
  2. 2. a triangle with a 90 degree angle
  3. 4. angles that are in the same location in two similar shapes
  4. 6. the Triangle ______ Therorem says that the three interior angles of a triangle must add up to 180 degrees