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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
 one year ago
 one year ago
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
 one year ago
 one year ago

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UnkleRhaukusBest ResponseYou've already chosen the best response.1
dw:1339393104582:dw
 one year ago

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

UnkleRhaukusBest ResponseYou've already chosen the best response.1
dw:1339393411521:dw
 one year ago

azaiah808Best 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
 one year ago

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

UnkleRhaukusBest ResponseYou've already chosen the best response.1
dw:1339393697852:dw
 one year ago

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