Consider the solid S described below.The base of S is the region enclosed by the parabola y = 4 - x and the x-axis. Cross-sections

Consider the solid S described below.The base of S is the region enclosed by the parabola y = 4 - x² and the x-axis. Cross-sections perpendicular to the x-axis are isosceles triangles with height equal to the base.Find the volume V of this solid.V =