The volume of the cylinder is πr2h So we have , Height:11.5in Diameter:8.5in Radius=8.5/2 Now from the above information, Volume = πr2h = 22/7x8.5/2x8.5/2x11.5 Cancelling 2and 22 ,we get, =11/7x8.5x4.25x11.5 (as we divided 8.5/2) =1.57x8.5x4.25x11.5 =652.2in3 HOPE IT WAS HELPFUL :)