area of circle?????????????
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The area of a circle is pi times the radius squared
(A = π r²). Learn how to use this formula to find the area of a circle when given the diameter.
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Answer: π r²
Step-by-step explanation: The way you find the area of a circle is by doing:
π r²
The formula for this is:
A = π r²
In otherwords, PI times the radius². Same as the way you find the circumference is by doing:
π d
In otherwords PI times the diameter, you could also do PI times (2)radius.
The simplest form of PI (π) is 3.14.
Hope this helps.
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