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Hand written solution required Q3(a) A composite shape has a cross section shown in Figure 3(a). Determine the centroid (7 ) of the composite area.

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Q3(a) A composite shape has a cross section shown in Figure 3(a). Determine the centroid (7 ) of the composite area. (Present the segment table in the working steps) (10 marks) - 3m - 4 m 3m 3 m Figure 3(a) (b) Determine the moment of inertia of the composite area shown in Figure Q3(b) about the x OKis (10 marks) 1001 mm 25 mm 75 mm 75 mm Figure Q3(b)

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