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Mathematics 20 Online
OpenStudy (anonymous):

What is the surface area of the cylinder

OpenStudy (anonymous):

sam (.sam.):

Find the surface area of the two circles, then find the surface area for the rectangle (you can see the rectangle after you unfold the cylinder), then add them up

OpenStudy (anonymous):

S = 2 pi r h + 2 pi r^2

OpenStudy (anonymous):

I Got 1648782.22

OpenStudy (anonymous):

but that is not in my answer choices

OpenStudy (anonymous):

this are my answer choices: A.) 937π ft2 B.) 1,156π ft2 C.) 289π ft2 D.) 578π ft2

OpenStudy (anonymous):

|dw:1399760878633:dw|

OpenStudy (anonymous):

\[\huge A = 2\pi rh+2\pi r ^2\]

OpenStudy (anonymous):

Leave the pi as it is.

OpenStudy (anonymous):

\[A = 2\pi*17*17+2*17^2*\pi\]

OpenStudy (anonymous):

What do you get?

OpenStudy (anonymous):

16.48

OpenStudy (anonymous):

What?

OpenStudy (anonymous):

I Got 1648782.22

OpenStudy (anonymous):

I gave you the numbers just punch it in a calculator, but leave the pi's on there own.

OpenStudy (anonymous):

i got 167.620

OpenStudy (anonymous):

Well I have no clue what you're doing but I got 1156 pi ft^2

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