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this cylindrical fish tank has a height of 36 inches and a a diameter of 30 inches what is the volume of the fish tank

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First, you'll need to find the area of the base of the cylinder. Since the fish tank is a cylinder, its base is a circle, and you'll use
\pi*r^2.

r=(1/2)d = (1/2)30 = 15 inches

\pi*15^2 =
\pi*225 (We'll worry about multiplying by pi later; for now, this is good enough).

Then, to find the volume, you just multiply by the height of the fish tank.

\pi*225*36 =
\pi*8100 = 25446.9005

The answer, then, is 25446.9005 cubic inches (or just 8100
\pi cubic inches)
User Asad Shakeel
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