Jawabanmu

2014-05-02T17:55:23+07:00
(derajat) 2/3*360= 240(derajat)
(radian) 240(derajat)* \pi / 180rad = 4/3 \pi rad
2014-05-03T02:11:44+07:00
2/3.360=240 derajat»240.π/180=4/3 π rad
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