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Q: A Cylinder 42 inch high times 19 inches radius how many Imp Gallons?

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The volume is the product of height multiplied times the area of the base, assuming the container is a right cylinder. Area of base = radius times radius times pi, or 18 times 18 times 3.14, or 1018 square inches. Multiply times the height, 36 inches, to get a volume of 36,644 cubic inches. Conversion to customary units of volume: 36644 cubic inches = 158.6 gallons (the start of a great beer party!)

If a cylinder has a diameter of 4 inches, then it has a radius of two inches, and the area of that circle is pi, 3.14, times radius squared which is 4 square inches, for a total of very close to 13 square inches; multiply that by the 4 inch length of the cylinder and you get 52 cubic inches.

2 inches from your bellend Volume of a cylinder is pi times radius times radius times height. V=pi*2.5*2.5*1 V=6.25pi V=about 6.25*3.14 V=about 19.625

Volume of a cylinder = πr²hV = 3.14159 × (2)² × 8V= 100.53 ft³* 1 ft³ ≈ 7.48 gallons *100.53 × 7.48 = 751.96 gallons

Since 15 inches is not a nominal pipe size it must be assumed that you are measuring the internal diameter of the pipe and the size of the outer wall can be ignored. What you are seeking can be described as the volume of a cylinder. The volume of a cylinder is the value of pi times the radius of the pipe (one-half the diameter or 7.5 inches) squared times the length of the cylinder (12 inches). That calculation will give us a number of cubic inches. A gallon of water takes up 231 cubic inches. Pi times 7.5 squared is 176.72 square inches (this is the area of a circle, a pipe is just a whole lot of circles - 12 inches worth in this case) 176.72 square inches times 12 inches (the length) is 2,120.6475 Cubic inches. 2,120.6475 cubic inches divided by 231 cubic inches (the volume of a gallon of water) is 9.1803 gallons.

2 times pi times the radius squared plus 2 times pi times the radius times the height equals surface area of a cylinder :]

The answer will depend on whether the larger cylinder is 4 times larger in terms of radius, cross-sectional area, or volume. If radius, multiply the smaller radius by 4. If cross-sectional area, multiply the smaller radius by 2. If volume, you do not have enough information.

This is the volume of a cylinder.

Volume = pi x (radius)2 x height = 3.14 x (4)2 x 6 =3.14 x 16 x 6 =301.44 square inches Shouldn't that be Cubic Inches if it is volume: Length times Width times Height?

For a right cylinder, the formula for volume is quite simple. It is pi times the radius of the cylinder squared times the height of the cylinder.

It would contain about 10895.04 cubic inches, which according to a converter i use assuming you mean united states liquid gallons, is 47.1646 gallons, that is slightly off as there was a decimal to the cubic inches. If you want to do it yourself it is (17/2) squared times pi times 48 to get cubic inches, then find an online website, ect. to convert it to gallons.

The area of the base of a cylinder = Pi times Radius squared. Diameter of a cylinder = 2 times Pi times Radius. To find the diameter derive the area of the base by Pi and then square root the answer. That will give you the value of the radius. Multiply that answer by 2 times Pi and you will have your answer.

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