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Mathematics 14 Online
OpenStudy (anonymous):

attached question, answerer(s) will recieve medals!

OpenStudy (anonymous):

OpenStudy (dumbcow):

ok we are to assume the balloon is a sphere SA = 4*pi*r^2 use circumference to solve for r 2*pi*r = 28 r = 14/pi SA = 4*pi*(14^2/pi^2) you can take it from here

OpenStudy (anonymous):

2463in.^2?

OpenStudy (dumbcow):

you're off quite a bit did you remember to divide 14^2 = 196

OpenStudy (anonymous):

oh, okay

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