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OpenStudy (anonymous):
the radius of mars is about 2106 miles, what is the surface area of marss? assume mars is a perfect sphere
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OpenStudy (kropot72):
Do you know the formula for the surface area of a sphere?
OpenStudy (anonymous):
no sorry
OpenStudy (kropot72):
The formula for the surface area of a sphere is \[surface\ area=4 \pi\ r ^{2}\] So you just need to plug in the value of r and calculate.
OpenStudy (anonymous):
Thanks
OpenStudy (kropot72):
You're welcome :)
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