anonymous
  • anonymous
Find the exact circumference of a circle with an area equal to 36pi sq. in. a) 12pi b) 18pi c) 324pi
Mathematics
  • Stacey Warren - Expert brainly.com
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SOLVED
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katieb
  • katieb
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anonymous
  • anonymous
@satellite73
TheSmartOne
  • TheSmartOne
what is the formula for area and circumference?
anonymous
  • anonymous
circumference of a circle is \(C=2\pi r\) where \(r\) is the radius

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More answers

anonymous
  • anonymous
yeah that's what I was gonna' say
anonymous
  • anonymous
area is \(\pi r^2=36\pi\) so \(r=?\)
anonymous
  • anonymous
18
TheSmartOne
  • TheSmartOne
wrong
anonymous
  • anonymous
It is?
anonymous
  • anonymous
not half dear, the square root of 36
anonymous
  • anonymous
Oh!
anonymous
  • anonymous
I'm sorry
anonymous
  • anonymous
It's 6 then
anonymous
  • anonymous
not \(36\div 2\) but rather \(\sqrt{36}\)
TheSmartOne
  • TheSmartOne
area is \(\sf\pi r^2=36\pi \to r^2 = 26\)
anonymous
  • anonymous
right, and if \(r=6\) then your final job is to compute \[2\times 6\times \pi\]
TheSmartOne
  • TheSmartOne
and now plug in \(\sf r=6\) into the circumference formula (:
anonymous
  • anonymous
37?
anonymous
  • anonymous
For 2*6*3014=37
anonymous
  • anonymous
lol no
TheSmartOne
  • TheSmartOne
You don't simplify the \(\sf\pi\) since it wants the exact circumference
anonymous
  • anonymous
just \[2\times 6\pi\]what is \(2\times 6\)?
anonymous
  • anonymous
12
TheSmartOne
  • TheSmartOne
and the answer choices also contain \(\sf \pi\)
anonymous
  • anonymous
yes
anonymous
  • anonymous
right, \(12\pi\)
anonymous
  • anonymous
Omg it's 12pi
anonymous
  • anonymous
omg indeed!
TheSmartOne
  • TheSmartOne
\(\ddot\smile\)
anonymous
  • anonymous
I'm sorry after spending a week traveling up and down from Mississippi to Florida, My head hasn't been on straight
anonymous
  • anonymous
that is what you get for going to mississippi
anonymous
  • anonymous
Yeah, but I was helping my aunt on bisiness and plus I made some money
anonymous
  • anonymous
ok ok no offence
anonymous
  • anonymous
*business* Lol
anonymous
  • anonymous
$$ always good
anonymous
  • anonymous
Yep
anonymous
  • anonymous
bidniz as we say
anonymous
  • anonymous
btw sent you lee morgan youtube again take a listen some time
TheSmartOne
  • TheSmartOne
x'D
anonymous
  • anonymous
I haven't made any in awhile and plus it's always better thaqn spending a week alone with my gma and uncle bickering a complaining the entire time
anonymous
  • anonymous
Don't worry I will. It's just that I'm at school right now and their wifi blocks youtube
anonymous
  • anonymous
real school not on line? in the summer? sounds like a drag
anonymous
  • anonymous
Yeah. I have Odyssey
anonymous
  • anonymous
I go home at 11pm
anonymous
  • anonymous
OMG indeed !
anonymous
  • anonymous
Yes
anonymous
  • anonymous
But that's what I get after failing the last half of geometry. although most of it wasn't my fault after the difficult home, living, and family issues I was having....
anonymous
  • anonymous
It's hard when you've been to three different highschools during your freshmen year
anonymous
  • anonymous
you'll get through geometry
anonymous
  • anonymous
i bet
anonymous
  • anonymous
Thanks. I sure hope so. I'll still be taking Algebra 2 nxt year. I just have to complete Geometry online during the summer though
anonymous
  • anonymous
lets get busy !
anonymous
  • anonymous
got another ?
anonymous
  • anonymous
Yep. I sure do
anonymous
  • anonymous
Hey, which one of you should I medal?
anonymous
  • anonymous
You both were alot of help
anonymous
  • anonymous
smart one i got plenty
anonymous
  • anonymous
kk
anonymous
  • anonymous
I will
anonymous
  • anonymous
Thanks for making the decision easy
TheSmartOne
  • TheSmartOne
I have plenty as will, give it to satellite so he can keep his 100 SS (:
anonymous
  • anonymous
Oh mouse dung!
anonymous
  • anonymous
tOO LATE TO GO BACK NOW
anonymous
  • anonymous
Woops caps locked again
anonymous
  • anonymous
I hate when that happens
anonymous
  • anonymous
fret not i can't turn them in to cash or valuable prizes anyways
anonymous
  • anonymous
Oh cool
anonymous
  • anonymous
Well lets get on to the next question then
anonymous
  • anonymous
good idea

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