Length of side of a star inscribed in a cricle

A star in inscribed in a circle of 6 inches radius. find the length of each leg/side of the star. tnx

In reply to by John Kenneth Jimeno

Similar lang yan, nakuha yung area dahil na-compute na ang side ng triangle AOB. I-solve mo na lang ang side AB using sine law. Kunting twist na lang yan. Kayang kaya mo na yan, nandyan na ang mga angle at kung paano i-analyze ang problem.