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OpenStudy (anonymous):
Find the surface area of the cylinder. Use 3.14. http://gyazo.com/533f2a39c8aa69613ab345b70388f028 A. 100.48 cm2 B. 97.43 cm2 C. 36.28 cm2 D. 33.14 cm2
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OpenStudy (anonymous):
the formula for surface area is (2*pi*r^2)+(2*pi*r*l) So in your case r = .5d d= 2cm therfore r=1cm pi=3.14 and l = 15cm
OpenStudy (anonymous):
what does r^2 mean?
OpenStudy (anonymous):
r squared as in r*r The answer should be 100.5cm squared
OpenStudy (anonymous):
okay thanks!
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