Derive a formula for the centroid of section U in the figure below, in terms of r and h and in relation to the x and y axes

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A: PUT    X =r cosθ             y = r sin θ            x2 + y2 = r2

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A: The required direction vector for [1 2 1] is shown in the figure below.

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Q: Find the x and y coordinates of the centroid of the shape shown below via integration.

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