Express \(\frac{13}{4}\pi\) radians in degrees.

  • A 495°
  • B 225°
  • C 585°
  • D 135°

The correct answer is C. 585°

\(180° = \pi radian\)

\(\frac{13}{4}\pi = \frac{13}{4} \times 180° = 585°\)

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