jonsey
jonsey
29-04-2016
Mathematics
contestada
What is the area of a circle with a radius of 4?
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dasetka
dasetka
29-04-2016
The formula for the area of a circle is A=πr².
A=πr²
A=π4²
A=π16
Assuming you use 3.14 for π,
A≈50.27
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