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OpenStudy (anonymous):
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OpenStudy (anonymous):
OpenStudy (anonymous):
help me find out how to solvve the arc length of CD
OpenStudy (kropot72):
First you need to find the circumference of the circle. Can you do that?
OpenStudy (anonymous):
62.83?
OpenStudy (anonymous):
C=2*pi*r right?
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OpenStudy (kropot72):
Correct. Do you know how many degrees there are in a circle?
OpenStudy (anonymous):
360
OpenStudy (kropot72):
Correct again. So the arc length of CD is the circumference of the circle multiplied by 40/360.
OpenStudy (anonymous):
6.98?
OpenStudy (kropot72):
You are correct. However you must put the units of measurement.
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OpenStudy (anonymous):
oh feet.
OpenStudy (anonymous):
Thank you M8!
OpenStudy (kropot72):
Correct. You're welcome :)
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