Part A

In $($Figure $1),a=195mm$ and $b=210mm.$

Locate the centroid $\frac{?}{\text{b}\text{a}\text{r}}(y)$ of the cross$-$sectional area of the beam constructed from a channel and a plate. Assume all corners are square and neglect the size of the weld at $A.$

Express your answer to three significant figures and include the appropriate units.

$\frac{?}{\text{b}\text{a}\text{r}}(y)=$ Value

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Q

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