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What type of angle has a measurement of 90 degrees?

  1. Obtuse angle

  2. Complementary angle

  3. Right angle

  4. Supplementary angle

The correct answer is: Right angle

A right angle has a measurement of 90 degrees, which is formed by two lines that are perpendicular to each other. - Option A, Obtuse angle, is incorrect because it has a measurement greater than 90 degrees. - Option B, Complementary angle, is incorrect because it refers to angles that add up to 90 degrees, not a single angle with a measurement of 90 degrees. - Option D, Supplementary angle, is incorrect because it refers to angles that add up to 180 degrees, not a single angle with a measurement of 90 degrees.