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\(\frac{\pi}{6}\) radians is equal to how many degrees?

Answer and explanation

Correct answer: 30°

The governing equivalence is \(\pi\) radians = 180°. To convert \(\frac\pi6\) radians into degrees, multiply by \(\frac{180^\circ}{\pi}\): \(\frac\pi6\times\frac{180^\circ}{\pi}=\frac{180^\circ}{6}=30^\circ\). The factors \(\pi\) cancel, so option C is correct. The distractors correspond to nearby standard conversions: 60° is \(\frac\pi3\) radians, 45° is \(\frac\pi4\) radians, and 15° is \(\frac\pi{12}\) radians. Writing the units in the conversion factor prevents confusion and shows why the result is in degrees. This method is general: multiply any radian measure by \(180^\circ/\pi\) to obtain its degree measure.

Related tags

TrigonometryAnglesRadian To DegreeTrigonometric FunctionsMathematicsClass 12 Mcq

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