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Mathematics 10 Online
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

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?

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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