$\"\"$

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The diameter of the circle is 20 ft \ \

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$\"\"$

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$\"\"$

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The area of a circle formula is $\"\"$

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$\"\"$ (Substitute 10 for r and 3.14 for $\"\"$ )

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

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

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The area of a circle is 314 $\"\"$ . $\"\"$

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The area of a circle is 314 $\"\"$ .