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Mathematics 10 Online
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.

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

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

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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