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azaiah808
Group Title
Find the surface area of the cylinder. Use a calculator. Round to the nearest tenth.
http://i48.tinypic.com/szj2is.gif
125.7 m2
138.2 m2
150.8 m2
175.9 m2
 2 years ago
 2 years ago
azaiah808 Group Title
Find the surface area of the cylinder. Use a calculator. Round to the nearest tenth. http://i48.tinypic.com/szj2is.gif 125.7 m2 138.2 m2 150.8 m2 175.9 m2
 2 years ago
 2 years ago

This Question is Closed

UnkleRhaukus Group TitleBest ResponseYou've already chosen the best response.1
dw:1339393104582:dw
 2 years ago

UnkleRhaukus Group TitleBest ResponseYou've already chosen the best response.1
\[SA_{\text{cylinder}}=2A_{\text {circle}}+A_{\text{rectangle}}\] \[A_{\text {circle}}=\pi r^2\qquad\qquad A_{\text{rectangle}}=h\times l\]\[\qquad\qquad\qquad\qquad\qquad\qquad\qquad\qquad l=C_{\text{circle}}=2\pi r\]
 2 years ago

UnkleRhaukus Group TitleBest ResponseYou've already chosen the best response.1
dw:1339393411521:dw
 2 years ago

azaiah808 Group TitleBest ResponseYou've already chosen the best response.0
so what one would it be? 125.7 m2 138.2 m2 150.8 m2 175.9 m2
 2 years ago

UnkleRhaukus Group TitleBest ResponseYou've already chosen the best response.1
\[SA_{\text{cylinder}}=2\pi r^2+2\pi rh=2\pi r(r+h)\]
 2 years ago

UnkleRhaukus Group TitleBest ResponseYou've already chosen the best response.1
dw:1339393697852:dw
 2 years ago

UnkleRhaukus Group TitleBest ResponseYou've already chosen the best response.1
\[SA=2\pi r(r+h)\]\[\qquad=2\times\pi\times 4\text{m}\times(4 \text m+8 \text m)\]\[\qquad=56 \pi\text { m}^2\]
 2 years ago
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