anonymous
  • anonymous
Find the surface area of a cone with a radius of 2.7 cm and a slant height of 8.3 cm, to the nearest square unit. Use 3.14 for p. a. 116 cm2 b. 164 cm2 c. 93 cm2 d. 58 cm2
Mathematics
  • Stacey Warren - Expert brainly.com
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SOLVED
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chestercat
  • chestercat
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some.random.cool.kid
  • some.random.cool.kid
Alright so what our area?
anonymous
  • anonymous
@some.random.cool.kid you think you can help me with this problem
some.random.cool.kid
  • some.random.cool.kid
I can certainly try! :D

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More answers

anonymous
  • anonymous
alright @some.random.cool.kid
some.random.cool.kid
  • some.random.cool.kid
A=πr(r+h2+r2)
some.random.cool.kid
  • some.random.cool.kid
you have your height as 8.3
some.random.cool.kid
  • some.random.cool.kid
so fill this in A=πr(r+h2+r2)=π·2.7·(2.7+8.32+2.72)
anonymous
  • anonymous
ok
some.random.cool.kid
  • some.random.cool.kid
well first you are is A≈96.94cm²
anonymous
  • anonymous
oh yeah ok
anonymous
  • anonymous
oh yeah ok
anonymous
  • anonymous
ok
some.random.cool.kid
  • some.random.cool.kid
alright so do you think you can try the next step on your own? I will be trying to solve it while you do k.
anonymous
  • anonymous
alright
some.random.cool.kid
  • some.random.cool.kid
explanation r = 2.7 m h = 8.3 m s = 8.72812 m V = 63.3628 m3 L = 74.0345 m2 B = 22.9022 m2 A = 96.9367 m2 I believe you multiply this to get part however 96.94 x 8.3 wont give you your answer their is another step I believe. radius x height = 22.41 I belive your closet answer is 93cm^2 But can also be 164cm^2 so please challenge me if im wrong but its between both of those answers.
some.random.cool.kid
  • some.random.cool.kid
@Nnesha or @nincompoop you guys might able to explain this better than I ...
some.random.cool.kid
  • some.random.cool.kid
got it i believe your answer is 93
some.random.cool.kid
  • some.random.cool.kid
I used woldfram and found the answer to the area I was confused at first but then figured it out.
some.random.cool.kid
  • some.random.cool.kid
hope this helped @michael305

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