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dan perbandingan sudut A dan B = 3 : 2
maka caranya begini
2/3 x 90 = 60 derajat
Jadi sudut A 90 derajat dan sudut B 60 derajat
semoga membantu
3x+2x=180
5x=180
x=36
<A=>3(36)=108
<B=>2(36)=72