1.

In the following Figure, AB and CD are two diameters of a circle that are perpendicular to each other and OD is the diameter of the smaller circle. If OA = 7 cm, find the area of the shaded region.

Answer»

In the following Figure, AB and CD are two diameters of a circle that are perpendicular to each other and OD is the diameter of the smaller circle. If OA = 7 cm, find the area of the shaded region.




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