I need help with a practice quiz i will Fan+ medal if someone helps
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OpenStudy (anonymous):
@jim_thompson5910
OpenStudy (anonymous):
what do you need
OpenStudy (anonymous):
Areas of Circles
OpenStudy (anonymous):
yup! whats your quesetion
OpenStudy (anonymous):
Which circles have an area of 9pi m2?
Choose all answers that are correct.
A.
a circle with a radius of 3 m
B.
a circle with a diameter of 6 m
C.
a circle with a radius of 9 m
D.
a circle with a diameter of 9 m
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OpenStudy (anonymous):
one sec. another kid just asked me a question. be right back
OpenStudy (anonymous):
Ok
OpenStudy (anonymous):
okay is it 2m or m2
OpenStudy (anonymous):
m2
OpenStudy (anonymous):
@abbychandler
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OpenStudy (anonymous):
sorry. yea im not so sure about this... what math are you in?
OpenStudy (anonymous):
7th grade
OpenStudy (anonymous):
okay i think you worded the question wrong then because im in calculus and if i cant figure this out then thats bad hahaha
OpenStudy (anonymous):
@dtan5457
OpenStudy (wolf1728):
Area = PI*r^2
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OpenStudy (anonymous):
yes. but is 9 the radius? diameter? what is it. and then idk what the m2 is either
OpenStudy (wolf1728):
What does 9pi m2 mean?
You typed it.
OpenStudy (anonymous):
me? or pie lover?
OpenStudy (wolf1728):
I was talking to pielover
OpenStudy (anonymous):
oh okay.
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OpenStudy (wolf1728):
that's okay :-)
OpenStudy (wolf1728):
pielover, did you type that problem from a book?
OpenStudy (anonymous):
i dont think she/he's with us anymore lol
OpenStudy (anonymous):
no its a partice quiz
OpenStudy (wolf1728):
Can you type what you are reading from EXACTLY what it says?
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OpenStudy (anonymous):
ok
Which circles have an area of 9Pi m^2?
Choose all answers that are correct.
A.
a circle with a radius of 3 m
B.
a circle with a diameter of 6 m
C.
a circle with a radius of 9 m
D.
a circle with a diameter of 9 m
OpenStudy (anonymous):
ohhhhhhh m^2
that makes a lot more sense
OpenStudy (wolf1728):
Is that exactly what the question says or is it more like
9*PI*m²
OpenStudy (anonymous):
Yes
OpenStudy (wolf1728):
Darned open study doesn't permit specail characters like "squared"
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OpenStudy (anonymous):
lol
OpenStudy (wolf1728):
Is there any number between the word PI and the "m"?
OpenStudy (anonymous):
no
OpenStudy (wolf1728):
I'd say the answer is A
OpenStudy (anonymous):
Thanks!
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