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Question

Convert 0.5 radians to degrees.

This question was previously asked in
SSC CGL 2025 Tier 2 Paper 1 Question Paper (19-Jan-2026)
The correct answer is
28.65°

Radians to Degrees Conversion

To convert an angle measurement from radians to degrees, we use the fundamental relationship:

$ \pi \text{ radians} = 180^\circ $

This gives us the conversion factor:

$ \frac{180^\circ}{\pi \text{ radians}} $

Calculating 0.5 Radians in Degrees

We apply this conversion factor to the given value of 0.5 radians:

  • Multiply the radian value by the conversion factor:

    $ 0.5 \text{ radians} \times \frac{180^\circ}{\pi \text{ radians}} $

  • Simplify the expression:

    $ \frac{0.5 \times 180^\circ}{\pi} = \frac{90^\circ}{\pi} $

  • Calculate the approximate value using $ \pi \approx 3.14159 $:

    $ \frac{90^\circ}{3.14159} \approx 28.64789^\circ $

  • Rounding to two decimal places gives $ 28.65^\circ $.

Therefore, 0.5 radians is approximately equal to 28.65 degrees.

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