Find the volume V of the described solid S.The base of a solid S is the triangular region with vertices (0, 0), (5, 0), and (0, 5). Cross-sections perpendicular to the y-axis are equilateral triangles.2) Find the volume V of the solid obtained by rotating the region bounded by the given curves about the specified liney = 336 − x2, y = 0, x = 1, x = 3, about the x-axis