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Helppp 20 POINTS!!!The radius of a circle is 4 inches. Using the formula A ≈ 3r2, what is the approximate area of the circle?

___in2

User Fabio Phms
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fyi area=pir^2 not 3r2
(oh, I see, you want to aprox pi=3, ok)

radius=4

3(4^2)=area
3(16)=area
48=area

answer is 48in^2
User JRP
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