Electrical mathQuestion 478 of 1506

An angle measures 120 degrees. What type of angle is it?

  1. Obtuse
  2. Acute
  3. Right
  4. Complementary
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Correct answer: Obtuse

An obtuse angle is greater than 90 degrees.

Source: Trigonometry and Single Phase AC Generation for Electricians (Flinn), 1.1: Angles

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Questions last reviewed: 18 October 2026