Inertia of Semi circle

Score: 4 Points

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

What's the value of $A$?

Give your answer with 2 significant figures.


Tried 60

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First Solve @Fuwad

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