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Mathematics 18 Online
OpenStudy (i_love_my_nieces):

FAN AND MEDAL!!!!!!! Use pi=3.14 to estimate the area of the circle. Round your answer to the nearest hundred, if necessary. 44.27 m^2 177.1 m^2 624.26 m^2 2,497.05 m^2

OpenStudy (i_love_my_nieces):

Here is the chart.

OpenStudy (i_love_my_nieces):

@cogs

OpenStudy (i_love_my_nieces):

I don't know? Look at the picture, Google pictures of the radius and diameter.

OpenStudy (i_love_my_nieces):

I think it's the diameter.

OpenStudy (anonymous):

Oh, it's the diameter then. The area of a circle is pi * radius^2 and the radius is half of the diameter of a circle. Therefore, A = pi * (28.2/2)^2 = 624.26 So the third one.

OpenStudy (i_love_my_nieces):

Okay thanks don't leave OS cause I have more questions to ask you.

OpenStudy (anonymous):

All right. Shoot. :)

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