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Mathematics 20 Online
OpenStudy (anonymous):

A ferris wheel is 20 meters in diameter and makes one revolution every 8 minutes. For how many minutes of any revolution will your seat be above 15 meters?

OpenStudy (anonymous):

please help with trig

OpenStudy (anonymous):

|dw:1366862141179:dw|

OpenStudy (anonymous):

|dw:1366862185724:dw|We need to find the perimeter of the section of this circle above the line

OpenStudy (anonymous):

ok I came up with this function 10sin(pi/4)+10

OpenStudy (anonymous):

it is much easier |dw:1366862410286:dw|

OpenStudy (anonymous):

|dw:1366862466422:dw|

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