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lng3313
 3 years ago
surface area of a cone? 12cm high and radius is 5
answer options are
90 pi
65pi
120pi
115pi
lng3313
 3 years ago
surface area of a cone? 12cm high and radius is 5 answer options are 90 pi 65pi 120pi 115pi

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amistre64
 3 years ago
Best ResponseYou've already chosen the best response.0or.... pi(r) sqrt(r^2 + h^2)

amistre64
 3 years ago
Best ResponseYou've already chosen the best response.05pi sqrt(169) 5*13pi = 65pi

amistre64
 3 years ago
Best ResponseYou've already chosen the best response.0its either that or 90; i cant recall if surface area includes the base area or not

lng3313
 3 years ago
Best ResponseYou've already chosen the best response.1[Base Area] + 1/2 × Perimeter × [Slant Length]
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