Explore solids of revolution formed by revolving a plane region about the [i]x[/i]-axis or the [i]y[/i]-axis.[br][br]Move the [b][color=#6aa84f][i]green points[/i][/color][/b], and use the sliders to select which solid you want to explore.[br]Use the [b][color=#1e84cc][i]angle slider[/i][/color][/b] to rotate the region manually, or select [b][i]Rotate![/i][/b] in the drop-down list.[br][i]D[/i][i]rag [/i]the 3[i]D View[/i] to explore the solid from different points of view.[br][br]The current value of the volume is displayed only for revolutions about the [i]x[/i]-axis.