GeometryQuestion 442 of 550

A transversal cuts two parallel lines. One interior angle is 65°. What is the co-interior angle on the same side?

  1. 65°
  2. 25°
  3. 125°
  4. 115°
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Correct answer: 115°

Co-interior angles add up to 180°. 180 - 65 = 115°.

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Questions last reviewed: 21 October 2026