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Use this formula: Pi * Radius squared

In this case, the area is pi*72, which is about 153.9.

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Q: What is the area of a circle with radius of 7?
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What is the area of a circle with a radius of 7 cm?

The area of a circle with a radius of 7 cm is: 153.9 cm2


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The radius of a circle is multiplied by 7 Its area is times bigger than the original circle?

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What is the area of a circle with a radius of 7 milimetres?

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