The radian measure equivalent to -45º is _____.

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asked Feb 2, 2018 184k views

2 Answers

Biduleohm · Answer 1 · 2018-02-03T05:26:02+0000

2pi radians=360 degrees
ratio and proprtion thing I guess

r/2pi=-45/360
r/2pi=-1/8
times both sides by 8pi
4r=-pi
divide both sides by 4
r=-pi/4

-pi/4 radians

The radian measure equivalent to -45º is _____.

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