a. Determine the centroid of the area shown with respect to the indicated X and Y axes. b. Determine the moment of inertia with respect to the centroidal X and Y axes c, Determine the polar moment of inertiawith respect to the centroidal X and Y axes d. Determine the product of inertia with respect to the indicated X and Y axes

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Control Survey and Geodetic reductions

Control surveys or survey controls are used to establish reference points as a basis for various construction activities. Vertical and horizontal control points are to be established in a control survey to increase accuracy. After establishing the control points, all other types of surveys such as topographic, right-of-way, aerial mapping, construction layout, boundary surveys, and utility mapping can be worked upon so that control networks can be formed. The place from which the observations are made is called a survey station.