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OpenStudy (anonymous):
The diameter D of a sphere is 17.8cm . Calculate the sphere's surface area A . Use the value 3.14 for Pi , and round your answer to the nearest tenth
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OpenStudy (anonymous):
\[SA = 4 \pi r^2\]
OpenStudy (akshay_budhkar):
pi thats me :P lol anyways yeah u can substitute the values in the formula above right?
OpenStudy (anonymous):
you would round your answer to the nearest tenth
OpenStudy (akshay_budhkar):
probably 994.9 u can use a calci right? just concert the diameter to radius dividing by 2
OpenStudy (anonymous):
oh ok
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