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

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

  1. 40°
  2. 80°
  3. 160°
  4. 20°

Answer

A. 40°

Solution

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

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