$\"\"$

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Volume of the cone is given by $\"\"$ .

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Radius of the cone is given by $\"\"$

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$\"valume$

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$\"\"$ (Substitute r = 3x, h = 2x)

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$\"\"$ (Evaluate the power: $\"\"$ )

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$\"\"$ (Multiply: $\"\"$ )

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$\"\"$ (Multiply: $\"\"$ ) $\"\"$

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The volume of the cone is $\"\"$ .