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OpenStudy (anonymous):
Find the surface area of the figure below. A. 18.10 cm^2 B. 30.16 cm^2 C. 72.38 cm^2 D. 23.04 cm^2
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OpenStudy (anonymous):
OpenStudy (anonymous):
@Kanwar245
OpenStudy (jack1):
SA = 4 x pi x r2
OpenStudy (anonymous):
b?
OpenStudy (jack1):
no, give it another shot
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OpenStudy (jack1):
4 x 3.14 x (2.4 ^2)
OpenStudy (anonymous):
23.04
OpenStudy (jack1):
sorry, the earlier post was supposed to be r sqrd, not 2x r, my bad
OpenStudy (jack1):
so my calc is telling me c => 72.38
OpenStudy (anonymous):
is d the answer
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