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OpenStudy (anonymous):
The arc corresponding to a central angle of 35 degrees in a circle of radius 10 feet measures _____ feet. Round your answer to two decimal places.
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jimthompson5910 (jim_thompson5910):
What is the circumference of this whole circle?
OpenStudy (anonymous):
20 feet
jimthompson5910 (jim_thompson5910):
That would be the diameter
OpenStudy (anonymous):
ooh wait nvm
jimthompson5910 (jim_thompson5910):
Use the formula C = 2*pi*r to find the circumference
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jimthompson5910 (jim_thompson5910):
pi = 3.14 roughly
OpenStudy (anonymous):
62.83
jimthompson5910 (jim_thompson5910):
good
jimthompson5910 (jim_thompson5910):
we have this circle with radius of 10 |dw:1392227596216:dw|
OpenStudy (anonymous):
okay? now wht
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jimthompson5910 (jim_thompson5910):
And then we have this central angle that has a measure of 35 degrees |dw:1392227633627:dw|
jimthompson5910 (jim_thompson5910):
we just want the length of the shaded piece of the circle (ie the arc length) |dw:1392227669756:dw|
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