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5 Cards in this Set

  • Front
  • Back
What is an acute angle?
An angle that measures less than 90 degrees.
What is an obtuse angle?
An angle that measures more than 90 degrees.
What is a straight angle?
An angle that forms a straight line of 180 degrees.
What is a right angle?
An angle that measures 90 degrees.
What are complementary angles?
Two angles that measure the sum of 90 degrees.