For the built-up section shown, determine the following: a. Centroid of the Area, b. Moment of Inertia, Ik and Iy c. Section Modulus, S, and Sy d. Radius of Gyration, Rx and Ry e. Moment of Inertia with respect to x'-axis, with the x'-axis taken 30 degrees from the x- axis of the global centroid of the section.

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Surveys of public lands

A survey is a method used to determine the relative positions of various objects on the land by measuring the horizontal distances between them. Briefly, a survey is a process of accumulation of data of various details related to land. The main objective of surveying land is to prepare maps to a suitable scale. Various types of maps such as topographical maps, cadastral maps, engineering maps, military maps, contour maps, geological maps, archaeological maps, and so on can be prepared by surveying.