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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

$\huge p = \pi \approx 3.14$

2. y2o2

it's called pi , and it's a very important mathematical constant

3. suzy4321

oh pie yeah i was confused with perimeter

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