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suzy4321

  • 4 years ago

Area of a circle = p · r2 i know r is for radius but p stands for what when your solving 40/360 or 1/9 of the area. I know radius is 2 so it be P times 2^2 but what number is P

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  1. y2o2
    • 4 years ago
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    \[\huge p = \pi \approx 3.14\]

  2. y2o2
    • 4 years ago
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    it's called pi , and it's a very important mathematical constant

  3. suzy4321
    • 4 years ago
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    oh pie yeah i was confused with perimeter

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