If the height is 9 and the volume is 21, then the radius = 0.8618
Chat with our AI personalities
A cylinder with a radius of 21 inches and a height of 98 inches has a volume of 135,773.35 cubic inches. This cylinder would have a volume of 587.763 US gallons.
A cone, when radius is 4 and height is 21, has a volume of 351.86 units3
Volume = pi*r2*h = 21375 cubic ft (approx)
21
Total surface area = 628.3 square units.