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Homework Help: Area moment of intertia of a t-bar

  1. Nov 22, 2013 #1
    1. The problem statement, all variables and given/known data

    The area moment of inertia about the dashed axis is what?

    momin1.5.gif

    2. Relevant equations

    Paralell Axis theorem

    3. The attempt at a solution

    (1/12)bh³ + (1/12)hb³ + bh(h/2 + b/2)²

    I don't understand how I am wrong
     
    Last edited: Nov 22, 2013
  2. jcsd
  3. Nov 22, 2013 #2

    haruspex

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    Science Advisor
    Homework Helper
    Gold Member

    Looks right to me, though you could collect up some similar terms. What is the official answer?
     
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