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There are three circles each of radiu...

There are three circles each of radius `sqrt(7)\ c m` . A triangle is formed by joining their centres. The angles at the centre made by the triangle are shown in the figure. The area of the shaded portion is (FIGURE) `4/7\ c m^2` (b) `(11)/7\ c m^2` (c) `(22)/7\ c m^2` (d) `11\ c m^2`

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RS AGGARWAL-AREA-All Questions
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  14. A square is inscribed in a circle whose radius is 4 cm. The area of...

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