Find the moment of inertia of the system

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awillso
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Two rectangular objects, each 1.0 m by 3.0 m, are attached as shown. Each rectangle has a mass of 1.5 kg. Find the moment of inertia of the system about (a) axis A, (b) axis B, and (c) axis C.

I have no idea what to do, any help is appreciated.
 
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According to the forum rules, you need to make an effort to solve the problem before we can help. What do you know about moment of inertia? Do you know how to calculate it in simple cases?
 

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