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Mathematics 16 Online
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

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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