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OpenStudy (anonymous):
Arcs
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OpenStudy (anonymous):
OpenStudy (anonymous):
@jim_thompson5910
jimthompson5910 (jim_thompson5910):
how many 12 degree angles will fit in a full 360 degree circle?
OpenStudy (anonymous):
30?
jimthompson5910 (jim_thompson5910):
so if it takes 30 of those arcs to make up a full circle, then what is the circumference?
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OpenStudy (anonymous):
94.2
OpenStudy (anonymous):
Right
jimthompson5910 (jim_thompson5910):
you have 30 arcs, each of length 15 cm
OpenStudy (anonymous):
450
OpenStudy (anonymous):
cm
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jimthompson5910 (jim_thompson5910):
yep
OpenStudy (anonymous):
450 is the Circumference?
OpenStudy (anonymous):
i mean of point Z
OpenStudy (anonymous):
@dan815
OpenStudy (jhannybean):
If you plug in 450 into the equation, do you get the length of the arc, 15?
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OpenStudy (anonymous):
yes
OpenStudy (jhannybean):
What i'm getting is 15 = (12/360) * C C = (360/12) * 15 C = 90 * 5 = 450 Crosscheck 15 = (12/360) * 450 15 = 15 \(\checkmark\)
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