Which circles have a circumference of 24\(pi)\ units?
Choose all answers that are correct.
A.
a circle with a radius of 6 units
B.
a circle with a radius of 12 units
C.
a circle with a diameter of 12 units
D.
a circle with a diameter of 24 units
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OpenStudy (epoweritheta):
calculate the circum for each of the option s . tell me for optn A ?>?
OpenStudy (theedwardsfamily):
6*3.14 ?
OpenStudy (epoweritheta):
remember , c= 2 * pi * r
OpenStudy (theedwardsfamily):
idk how to do
OpenStudy (epoweritheta):
u dont know to multiply ????? 2* 3.14*6 ?
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OpenStudy (theedwardsfamily):
like order of operations?
OpenStudy (theedwardsfamily):
i got 37.68
OpenStudy (theedwardsfamily):
@AlexandervonHumboldt2
OpenStudy (epoweritheta):
ya correct
OpenStudy (epoweritheta):
See 24 pi units = 2* 12 * pi
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OpenStudy (theedwardsfamily):
75.36
OpenStudy (theedwardsfamily):
@epoweritheta
OpenStudy (epoweritheta):
okay check other options then
OpenStudy (theedwardsfamily):
they add up
OpenStudy (theedwardsfamily):
@jim_thompson5910
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OpenStudy (theedwardsfamily):
@kidrah69
jimthompson5910 (jim_thompson5910):
Circumference
C = pi*d
or
C = 2*pi*r
jimthompson5910 (jim_thompson5910):
since the circumference is 24pi, we can use C = pi*d to determine that the diameter is 24
if the diameter is 24, then the radius must be 24/2 = 12