anonymous
  • anonymous
What is the approximate surface area of this pencil? (Use 3 point one four for pi. Round your answer to the nearest whole number.)
Mathematics
  • Stacey Warren - Expert brainly.com
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SOLVED
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katieb
  • katieb
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anonymous
  • anonymous
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nubeer
  • nubeer
ok you have to divide the pencil in parts... the tip of the pencil looks like a cone right? so first find the surfacce area of the cone then the back part of the pencil.. does this help to start?
anonymous
  • anonymous
I don't understand

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nubeer
  • nubeer
|dw:1370888390411:dw|
anonymous
  • anonymous
yes
nubeer
  • nubeer
so first find the area of the cone part.. can you?
anonymous
  • anonymous
im not sure how to
nubeer
  • nubeer
hmm do u know the formula for surface area of cone?
anonymous
  • anonymous
Merp not atm I used to know
nubeer
  • nubeer
http://math.about.com/od/formulas/ss/surfaceareavol_2.htm
nubeer
  • nubeer
this should help
anonymous
  • anonymous
Merp.-.
nubeer
  • nubeer
umm O.o
nubeer
  • nubeer
and congrats for getting married. :P
anonymous
  • anonymous
haha yea no.
nubeer
  • nubeer
lol so do u get how to do or still lost?
anonymous
  • anonymous
I don't even know anymore.
nubeer
  • nubeer
hmm :/ well u should start by revising formula's for surface area's... otherwise it would be so hard... look first part u can make cone... the straight part is like a cylinder and the back

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