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Do you know the formula for the surface area of a cylinder pyramid thing?
oh mybad, you call it a cone. The formula is \[Surface Area = \pi \times radius^2 + \pi \times radius * height\]
Rae well the formula for surface area of a cone is 1/2 [pi x D x slant height] so plug in your numbers and solve
(height is the slant height in my formula) Dakota I think you are confused. That's not the formula.
would the radius be 12 or 6?
well mine gets one of the answers offered yours doesnt try working it out slaaibak
i got 414.48 that answwer isnt up there
Rae try my method plz i got the right answer!
ok 1 sec
They don't include the bottom surface it seems. Then just don't add the bottom surface. It reduces to Area = pi * radius * slant height
what is D?
Therefore i am not confused slaaibak ;) and d is diameter
i mean what is the diameter
I agree, but you stated the "surface area of a cone is" which is false. But I see your point. Lateral surface. Diamater is twice the radius.
ok i got 113.04 can i just get hte answer
it should be 1/2[ pi x 12 x 16} pi = 3.14
i have tried to figure this out 50 times and i cannot get the right answer
ok how do i get the answer from here: 1/2 (226.08)
just multiply everything out and leave the pi until the very end then multiply by pi
can i just get the answer now i got 1205.76
omg [12 x 16pi] =192pi then 1/2 = 96pi then (96)(3.14) solve! i cant just give u the answer work it out
u need help figure it out i just worked it out for you! geez its not rocket science just multiply!!!!!!!!!!
and i have the answer i got it before your last thing with the equations
slaaibak what are you trying to write?