Jawabanmu

2014-06-02T17:14:26+07:00
ACB = 180 - ( 53 + 56 ) = 180 - 109 = 71 derajat
CDF = 180 - ( 124 + 32 ) = 180m - 156 = 24 derajat
2014-06-02T17:19:01+07:00
EAC=ABC+ACB
ACB=EAC-ABC
ACB=127-56
ACB=71 DERAJAT


CDF=CBD+BCD
CDF=(180-56)+32
CDF=124+32
CDF=156 DERAJAT