Engineering Board Exam Reviewer · Circles: Arcs and Angles · easy

An inscribed angle intercepts an arc of 80°. Find the inscribed angle.

  1. 80°
  2. 160°
  3. 20°
  4. 40°

Answer

D. 40°

Solution

An inscribed angle is half its intercepted arc: 80°/2=40°.

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