8 mm 9 mm 18 mm 9 mm 4 mm 12 mm 5 mm For the shaded area shown and the given reference coordinate axes, find: -The moment of inertia of the shaded region about the x axis in mm4. -The radius of gyration of the shaded region about the x axis in mm.

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Connections

In steel structures, connections are the members that join two or more steel members. The connections are the most important members of any steel structure, and hence, they are designed more carefully. The majority of the construction cost of steel structures is incurred due to the connections. The design of connections is done as per the recommendations and specifications of the American Institute of Steel Construction (AISC).