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Mathematics 15 Online
OpenStudy (jamesreed30):

Express the required measurement and exact form find the length of an arc of 40 degrees in a circle with an 8 inch radius (use 3.14 for pic and found to hundreds)

OpenStudy (dumbcow):

arc length = radius * angle in radians ----> 8*40(pi/180)

OpenStudy (jamesreed30):

So that's the answer? @dumbcow

OpenStudy (3mar):

Hope that helps

OpenStudy (shamim):

can u tell me 40 degree=? radians

OpenStudy (3mar):

\[radian=degree*\frac{ 180 }{ \pi }\]

OpenStudy (3mar):

Sorry I thought that you are the asker

OpenStudy (shamim):

i think u know 180 degree= pi radians

OpenStudy (jamesreed30):

So the answer would be 180? @shamim

OpenStudy (shamim):

no

OpenStudy (shamim):

anyway can u draw ur problem of circle

OpenStudy (shamim):

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OpenStudy (3mar):

|dw:1476970032965:dw|

OpenStudy (shamim):

correct u r

OpenStudy (shamim):

now try to calculate 40 degree=? radians

OpenStudy (shamim):

u know any angle has 2 kinds of units

OpenStudy (shamim):

1 is degree n another 1 is radians

OpenStudy (3mar):

It is me, not the asker!

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