What is \(\dfrac{5\pi}{4}\) radians in degrees?
225°
Conversion rule: \(\pi \text{ radians} = 180°\), so \(1 \text{ radian} = \dfrac{180°}{\pi}\).
\(\dfrac{5\pi}{4} \text{ radians} = \dfrac{5\pi}{4} \times \dfrac{180°}{\pi} = \dfrac{5 \times 180°}{4} = \dfrac{900°}{4} = 225°\).
Hence, the answer is 225°.
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