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Find the center of mass of the following solid, assuming a constant density of 1. Sketch the region and indicate the location of the centroid. Use symmetry when possible and choose a convenient coordinate system. The region bounded by the paraboloid z = x2+ y and the plane z = 36 The center of mass, in Cartesian coordinates, is located at ( D (Type exact answers in simplified form.) Choose the correct graph below. O A. O B. O c. 136 centroid centroid 36 36 - ON 6 ty x centroid