Question 41XOY is a real sector of a circle center O of radius 3.5cm which subtends an angle of 144o at the center. Calculate, in term of ϖ, the area of the sectorA.1.4ϖcm2B.2.8ϖcm2C.4.9ϖcm2D.9.8ϖcm2Objective Show full explanation