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Mathematics 18 Online
OpenStudy (anonymous):

What is the approximate surface area of the cone shown here?

OpenStudy (anonymous):

OpenStudy (help!!!!):

The formula is SA = πr2 + πrl

OpenStudy (anonymous):

ok

OpenStudy (help!!!!):

yeah now input the numbers and solve.

OpenStudy (help!!!!):

\[r ^{2}\] sorry its actually this not r2 @V1r3z

OpenStudy (help!!!!):

SA = πr ^2 + πrl

OpenStudy (paki):

take help form here please... . http://hotmath.com/hotmath_help/topics/surface-area-of-a-cone.html

OpenStudy (anonymous):

So it is C

OpenStudy (help!!!!):

yeah

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