In the given figure, O is the center of the circle. OD=4 units and DC= – InterviewSolution

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1.	In the given figure, O is the center of the circle. OD=4 units and DC=10 units. OD bisects the cord AB. If area of △AOD is 10 unit2, find the area of the quadrilateral AOBC.
Answer» In the given figure, $O$ is the center of the circle. $O D = 4 units$ and $D C = 10 units .$ $O D$ bisects the cord $A B .$ If area of $△ A O D$ is $10 {unit}^{2}$ , find the area of the quadrilateral $A O B C .$

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