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A symmetric lamina of mass M consists of...

A symmetric lamina of mass `M` consists of a square shape with a semicircular section over each of the edge of the square as in fig. The side of the square is `2 a`.
The moment of inertia of the lamina about an axis through its centre of mass and perpendicular to the plane is `1.6 Ma^(2)`. The moment of inertia of the lamina about the tangent `AB` in the plane of lamina is.
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