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Mathematics 20 Online
OpenStudy (anonymous):

Convert 135° into radians

OpenStudy (anonymous):

help me

OpenStudy (amistre64):

radians need pi; so times it by pi/180

OpenStudy (anonymous):

i just done it for u

OpenStudy (amistre64):

180 degrees = pi radians; so we can use the ratio of pi/180 to convert degress to radians. And to get radians into degrees, just invert the ratio: 180/pi

OpenStudy (anonymous):

its result is 3pi/4

OpenStudy (amistre64):

yes; since 135 = 3(45) and 45 = pi/4 ... 3pi/4 is good

OpenStudy (anonymous):

ok I understand now.

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