Jawabanmu

2014-06-02T18:39:59+07:00
< P + < Q +< R + < S = 360
3x + 4 + 2x + 5 + 3x + 4 + 2x + 5 = 360
10x + 18 = 360
10x = 360 - 18
x = 342 : 5 = 34,2
< P = 3x + 4 = 3 . 34,2 + 4 = 106 , 6 derajat
< Q = 2x + 5 = 2 . 34,2 + 5 = 73,4 derajat
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