anonymous
  • anonymous
Mel is making a paper tepee, as shown below. What is the area of the paper required to make the lateral surface of the tepee? 37.7 cm2 69.1 cm2 603.3 cm2 301.7 cm2 it would help alot if someone explained it to me i do not get it?:/
Mathematics
  • Stacey Warren - Expert brainly.com
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SOLVED
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chestercat
  • chestercat
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anonymous
  • anonymous
here is the picture
1 Attachment
slaaibak
  • slaaibak
Do you know the formula for the surface area of a cylinder pyramid thing?
anonymous
  • anonymous
no

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

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