Jawabanmu

2014-03-10T10:37:25+07:00
A. 50 derajat=  50 x π/180 rad= 5/18 rad 
50/360 = 5/36 putaran
b. 75 derajat = 75 x π/180 rad = 5/12 rad
75/360 = 5/24 putaran
c. 30 derajat = 30 x π/180 rad = 1/60 rad
30/360 = 1/12 putaran

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