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Mathematics 7 Online
OpenStudy (anonymous):

Find the area of the circle below. Use your calculator and round your final answer to the nearest hundredth.

OpenStudy (anonymous):

OpenStudy (jdoe0001):

Area of a circle = \(\bf \pi r ^2\) r = radius = \(\bf \cfrac{diameter}{2}\)

OpenStudy (anonymous):

Diameter is 60?

OpenStudy (jdoe0001):

yes

OpenStudy (anonymous):

Radius is 30 then.

OpenStudy (jdoe0001):

yes

OpenStudy (anonymous):

2826 is my answer?

OpenStudy (jdoe0001):

2827.433

OpenStudy (jdoe0001):

well, to the nearest hundreths, that is the nearest 1/100 2927.43

OpenStudy (anonymous):

2826 - 2827.43 The answer was there, but it was looking for that. ^

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