question_answer

                If a circle of unit radius is divided into two parts by an arc of another circle subtending an angle \[{{60}^{o}}\]on the circumference of the first circle, then the of the first circle, then the radius of the are is:            JEE Main Online Paper ( Held On 25  April 2013 )

A)                 \[\sqrt{3}\]                                        

B)                                        \[\frac{1}{2}\]

C)                                        \[1\]                                     

D)                                        \[\sqrt{2}\]