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문제 7

Digital SAT Math Practice Quiz · 덱: Digital SAT Math: Algebra, Advanced Math & Geometry

In a circle with center $O$, central angle $\angle AOB$ intercepts arc $AB$ with a measure of $84^\circ$. Point $C$ lies on the circle outside of arc $AB$. What is the measure of the inscribed angle $\angle ACB$?

  1. 21°
  2. 42°
  3. 84°
  4. 168°

출처: Circle Theorems, Khan Academy SAT Prep

시험 가이드: SAT — 과목, 형식, 공식 출처.

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