anonymous
  • anonymous
The surface area of the figure below is 37.70 m2.
Mathematics
  • Stacey Warren - Expert brainly.com
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SOLVED
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jamiebookeater
  • jamiebookeater
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anonymous
  • anonymous
true false http://static.k12.com/eli/bb/817/-1/0/2_36869_44974/-1/5c45df68fdad740c9f94d22ea5f92dd60c7a03f7/media/049a4950dd5ffafeb48a1a15814bc58b19e8aef1/mediaasset_651922_1.jpg
anonymous
  • anonymous
do you now the formula
anonymous
  • anonymous
A=πr(r+h2+r2)

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anonymous
  • anonymous
plug that in to your cone and see what you get is true with the statement
anonymous
  • anonymous
whats the height tho?
anonymous
  • anonymous
@johnweldon1993
johnweldon1993
  • johnweldon1993
Wow that is a nasty looking formula up there What I would use is \[\large SA = \pi r l + \pi r^2\] l = the slant height = 6 here r = radius of the base = 2 here
johnweldon1993
  • johnweldon1993
I mean you CAN use your formula up there I guess...but you would need to calculate the height of the cone, which isnt that bad...just a simple application of pythagorea's |dw:1433202454161:dw|
anonymous
  • anonymous
50.27
johnweldon1993
  • johnweldon1993
That's what I get too :)
anonymous
  • anonymous
thankss !
johnweldon1993
  • johnweldon1993
Of course!

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