Mathematics
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OpenStudy (gabbyalicorn):
A circle has a radius of 12 m.
What is the approximate area of the circle? Use 3.14 to approximate pi. Write the answer to the nearest hundredth.
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OpenStudy (gabbyalicorn):
so 3.14 x 12 x 2 = 75.36 / 2 = 37.68
OpenStudy (gabbyalicorn):
is tht correct?
OpenStudy (gabbyalicorn):
@10115658
OpenStudy (rainbow_rocks03):
area of a circle is pir^2
A=π(r)2
where A is area, pi is 3.14 and r is radius
OpenStudy (rainbow_rocks03):
okay so try to work it out, and show me wh at you get
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OpenStudy (rainbow_rocks03):
and you got 3.14 x 12 x 2 = 75.36 / 2 = 37.68
OpenStudy (gabbyalicorn):
i got 6.28 now
OpenStudy (rainbow_rocks03):
no no no don't do that you were on track
OpenStudy (gabbyalicorn):
37.68?
OpenStudy (rainbow_rocks03):
so you multiplied by 12, to get 37.68
multiply your answer by 12 again
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OpenStudy (gabbyalicorn):
452.16
OpenStudy (rainbow_rocks03):
correct ! I also copied and pasted it for us to understand
OpenStudy (gabbyalicorn):
Thanks for your help!
OpenStudy (gabbyalicorn):
wait wait wai!
OpenStudy (rainbow_rocks03):
wait what?
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OpenStudy (gabbyalicorn):
it says approximate does that mean we round
OpenStudy (rainbow_rocks03):
IDK
OpenStudy (gabbyalicorn):
omg i might get it wrong then :(
OpenStudy (rainbow_rocks03):
I am 89% that is the answer but the answer might either be 452.16 or 37.68
OpenStudy (rainbow_rocks03):
BUT YOU WILL PASS I BEILIEVE IN YOU!
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OpenStudy (gabbyalicorn):
0.0 can u tag some1 else to double check pls im scared now XD
OpenStudy (gabbyalicorn):
it says "Write the answer to the nearest hundredth." please help me!
OpenStudy (gabbyalicorn):
@rainbow_rocks03 @10115658