In circular measure, the value of the angle 12° 30' is: |
\(\frac{5π}{72}\) \(\frac{π}{24}\) \(\frac{π}{36}\) \(\frac{5π}{12}\) |
\(\frac{5π}{72}\) |
12°30' = 12° + \(\frac{30°}{60}\) = 12 + \(\frac{1}{2}\) = \(\frac{25°}{2}\) ( 180° = π ) = \(\frac{π}{180}\) × \(\frac{25}{2}\) = \(\frac{5π}{72}\) |