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The question below is from previous year CAT question from CAT 2018 exam comes from CAT Circles : In a circle with center O and radius 1 cm . Find out by answering this question which tests an aspirant’s Quantitative Ability Skills:
Q. 4: In a circle with center O and radius 1 cm, an arc AB makes an angle 60 degrees at O. Let R be the region bounded by the radii OA, OB and the arc AB. If C and D are two points on OA and OB, respectively, such that OC = OD and the area of triangle OCD is half that of R, then the length of OC, in cm, is?