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OpenStudy (anonymous):
PLEASE HELP ME, I'm very bad at math. I'm begging here. Find the surface area of the sphere which has a radius of 20. A. 5026.55 B. 33510.32 C. 251.33 D. 1256.64 I am really horrible at Geometry please help. :/ I've never gotten this stuff.
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OpenStudy (anonymous):
a=4xpi(rxr)
OpenStudy (anonymous):
i got 5024
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