Three friends Amit, Mayank and Richa were playing with ball by standing on a circle at A, B and C point respectively. Richa throws a ball to Amit, Amit to Mayank and Mayank to Richa. They all are equidistant from each other as shown in the figure. Considering O as the centre of the circle, answer the following questions.

(i) What is the measure of ∠BOC?

(ii) What is the value of ∠OBC + ∠OCB?


PLS ANSWER ASAP IF ANYONE KNOWS!!!