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OpenStudy (anonymous):
CIRCUMFERENCE
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OpenStudy (anonymous):
OpenStudy (anonymous):
@Directrix
OpenStudy (anonymous):
i got 6?
Directrix (directrix):
30 degrees is to the circle in degrees (360) as the arc length is to the circumference of the circle. 30/360 = x/72 where x is the length in cm of arc DE
Directrix (directrix):
So, solve this for x: 30/360 = x/72
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OpenStudy (anonymous):
6
Directrix (directrix):
6 is what I got.
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