Jawabanmu

2014-03-26T21:11:04+07:00
154 =  \frac{ \alpha }{360}. \frac{22}{7}. 14^{2}    \\  \alpha = \frac{154.360.7}{22.14^{2} }  \\  \alpha = 90
tdk ada jawabannya dibuku aku, ayodongg dibantuuu<3