How to calculate the circle area?

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Question:

How to calculate the circle area?

Answers

I belive it's PI r^2or pie × radius squared

Answer:The formula is [tex]A=\pi r^{2}[/tex]. Find the radius and you can always find the area. Remember! radius is half of diameter! Step-by-step explanation:For example:Lets say that the diameter is 4. Half of 4 is 2. Therefore the radius is two!Using the formula [tex]A=\pi r^{2}[/tex], [tex]A ≈ 12.57[/tex]Hope this helps!

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