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OpenStudy (anonymous):
WILL FAN AND MEDAL What is the approximate circumference of a circle with a diameter of inches? Use A. inches B. inches C. inches D. inches
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OpenStudy (k_lynn):
how many inches is the diameter?
OpenStudy (anonymous):
oH SRRY. 400
OpenStudy (k_lynn):
Also, the circumference formula is \[\Pi \times d\]Where D is the diameter, so just plug in the number for what the diameter is and multiply.
OpenStudy (anonymous):
the choices are A. 628 B.1256 C.1884 D.2512
OpenStudy (anonymous):
So 3.14X400?
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OpenStudy (anonymous):
B????
OpenStudy (k_lynn):
Ok. What do you get when you multiply the diameter, which is 400 times 3.14?
OpenStudy (k_lynn):
Yep, you got it :D
OpenStudy (k_lynn):
Yep, B would be your answer. Great job.
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