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The formula is: Pi (3.1415) times the square of the radius (9 squared is 81) times the height. So, 3.1415 x 81 x 54 = 13,740.921 cubic inches.

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14y ago
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6mo ago

To calculate the volume of a cylinder, we use the formula V = πr^2h, where r is the radius and h is the height. The radius of a cylinder with an 18-inch diameter is 9 inches. So, the volume of the cylinder is V = π * 9^2 * 54 = 13,627.76 cubic inches.

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Q: How many cubic inches in a 18 inch diameter cylinder 54 inches tall?
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To find the volume of a pipe, you can use the formula for the volume of a cylinder: V = πr^2h, where r is the radius and h is the height of the cylinder. For a 2-inch diameter pipe, the radius is 1 inch. Thus, the volume of 12 inches of 2-inch pipe would be π * 1^2 * 12 = 12π cubic inches.


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To find the volume of water in the pipe, we need to calculate the volume of a cylinder. The formula is Volume = πr^2h, where r is the radius (half the diameter) and h is the height (length of the pipe). The radius of a 4-inch pipe is 2 inches (1/6.947 feet), so the volume of water in the pipe is about 18.84 cubic feet. To convert cubic feet to gallons, multiply by 7.48, resulting in approximately 140.72 gallons of water in the pipe.


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