GeometryQuestion 412 of 550

An angle measures 35°. What is its supplementary angle?

  1. 55°
  2. 135°
  3. 145°
  4. 325°
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Correct answer: 145°

Supplementary angles add up to 180°. 180 - 35 = 145°.

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Questions last reviewed: 21 October 2026