A circle has a radius of 11 cm.
What is the approximate area of the circle? Use 3.14 to approximate pi. Write the answer to the nearest hundredth.
I THINK IT IS 380.13 in2 (the 2 is small). PLZ HELP ME!!!
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OpenStudy (anonymous):
@mathmath333 @iamabarbiegirl @Omgthatgirl @logan13 @Burningitdown @Owlcoffee @Godlovesme plz help @SolomonZelman
OpenStudy (anonymous):
@pooja195
OpenStudy (anonymous):
@bookworm14
OpenStudy (welshfella):
area = pi*r^2
where pi = 3.14 and r = 11
OpenStudy (anonymous):
@welshfella , does r^2 mean divide or times
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OpenStudy (jackofalltradez):
r^2 means r times r
OpenStudy (anonymous):
what?
OpenStudy (anonymous):
oh, times it twice
OpenStudy (anonymous):
got it thx
OpenStudy (jackofalltradez):
No problem :)
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OpenStudy (anonymous):
69.08
OpenStudy (anonymous):
that is what i got am i right
OpenStudy (anonymous):
????????????????
OpenStudy (jackofalltradez):
Your first answer was pretty close
OpenStudy (anonymous):
oh, what did i miss??
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OpenStudy (jackofalltradez):
You rounded up to high, I think. I got 379.94 in^2
OpenStudy (anonymous):
323.94?
OpenStudy (anonymous):
and the little two means the number squared/ for example 3(with the little 2) is 9 because 3x3=9. if it was a little 3 it would be 3x3x3