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5 Cards in this Set

  • Front
  • Back
What are vertical angles?
congruent angles formed when 2 lines intersect.
What are supplementary angles?
2 angles the sum of whose measures is 180 degrees
What are complementary angles?
2 angles the sum of whose measures are 90 degrees
What is an obtuse angle?
an angle that measures more than 90 but less than 180 degrees
What is an acute angle?
an angle that measures less than 90 degrees