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OpenStudy (bohotness):
@AlexandervonHumboldt2
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OpenStudy (alexandervonhumboldt2):
and?
OpenStudy (bohotness):
If the radius of the circle above is 9 mm, what is the circumference of the circle? A. 36 mm B. 18 mm C. 9 mm D. 81 mm
OpenStudy (haichi):
9*3.14
OpenStudy (alexandervonhumboldt2):
2*3.14*9
OpenStudy (bohotness):
..........
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OpenStudy (alexandervonhumboldt2):
no @Haichi 2*3.14*9
OpenStudy (haichi):
ok Forgot about the radius
OpenStudy (haichi):
soz
OpenStudy (bohotness):
lol thanks @Haichi and @AlexandervonHumboldt2
OpenStudy (bohotness):
but i am still like confused
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OpenStudy (alexandervonhumboldt2):
2*3.14*r cicrumfence area: 3.14*r^2
OpenStudy (bohotness):
wait what?
OpenStudy (alexandervonhumboldt2):
?
OpenStudy (bohotness):
wait so its 18?
OpenStudy (bohotness):
If the radius of the circle above is 4 cm, what is the circumference of the circle in terms of ? A. 4 cm B. 8 cm C. 12 cm D. 16 cm
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OpenStudy (bohotness):
b?
OpenStudy (alexandervonhumboldt2):
yeah
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