Inertia of Semi circle

The moment of inertia of a solid semi-circle about an axis perpendicular to its plane through its center of mass can be expressed a $Amr^2$AAmr2, where $m$ is the mass of the semi-circular slab and $r$ is the radius.

What's the value of $A$?A

Give your answer with 2 significant figures.


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Attempt 171

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