anonymous
  • anonymous
What is the radius? PLEASE HELP???
Mathematics
chestercat
  • chestercat
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anonymous
  • anonymous
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zarkam21
  • zarkam21
Radius is a straight line from the center to the circumference of a circle or sphere.
anonymous
  • anonymous
@casdawson could you help?

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anonymous
  • anonymous
i know @zarkam21 lol, look at my link though
zarkam21
  • zarkam21
You need to divide so take the number of square meters and divide by the pie symbol
zarkam21
  • zarkam21
What do you get?
anonymous
  • anonymous
21.0084
zarkam21
  • zarkam21
So your answer would be...? =)
anonymous
  • anonymous
\[A=\pi*r^2\]\[66=\frac{22}{7}*r^2\]\[\frac{7}{22}*66=r^2\]\[\frac{462}{22}=r^2\]\[21=r^2\]\[\sqrt{21}=r \]
anonymous
  • anonymous
lol 21?? wait, where dose the 22/7 come in at?
anonymous
  • anonymous
thank you guys!!
anonymous
  • anonymous
No problem :)
anonymous
  • anonymous
could you help with this one too?
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anonymous
  • anonymous
anonymous
  • anonymous
I'm not that good at graphs like that, sorry =(
anonymous
  • anonymous
aww, its okay thank you anyway
anonymous
  • anonymous
Second to last answer
anonymous
  • anonymous
No problem, wish I could help. If you ask it as a separate question someone more qualified will help though.
anonymous
  • anonymous
good suggestion! @LegendarySadist , on the second problem? @casdawson

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