Jawabanmu

2014-06-03T22:47:01+07:00
6x + 5x = 132
11x = 132
x = 12
OPR = 6x = 6(12) = 72
2014-06-03T22:49:10+07:00
R = 180 - 132 = 48derajat.
x  = 132 : ( 6x + 5x ) = 132 : 11x
x = 12.
< OPR = 6x = 6.12 = 72 derajat