panjnag sudut segitiga = 180°
nilai x segitiga A
2x +3x +60 = 180°
5x +60° = 180°
5x = 180°-60•
5x = 120•
x= 120•/5
x= 24°
nilai x segitiga B
x +3x +2x = 180°
6x = 180°
x= 180°/6
x= 30°
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panjnag sudut segitiga = 180°
nilai x segitiga A
2x +3x +60 = 180°
5x +60° = 180°
5x = 180°-60•
5x = 120•
x= 120•/5
x= 24°
nilai x segitiga B
x +3x +2x = 180°
6x = 180°
x= 180°/6
x= 30°