Rotate y=xy = xy=x, 0≤x≤H0 \le x \le H0≤x≤H about the xxx-axis. Volume:AπH3/2\pi H^3/2πH3/2BπH2/3\pi H^2/3πH2/3CπH3\pi H^3πH3DπH3/3\pi H^3/3πH3/3check_circleExplanationV=π∫0Hx2 dx=πH3/3V = \pi\int_0^H x^2\,dx = \pi H^3/3V=π∫0Hx2dx=πH3/3.