Jawabanmu

2014-03-07T06:18:54+07:00
Omega A = omega B , dan Kec. Linier B = kec. Linier C ===> omega B x Rb = omega C x Rc ===> 20 . Omega B = 25 . Omega C ===> 4 omega B = 5 omega c , karna omega a = omega b , jd omega a : omega c = 4 : 5