Jawaban:
BC = 180
3x + 5 + 2x - 45 = 180
5x - 40 = 180
5x = 220
x = 44
ADC = 2x - 45
ADC = 2(44) - 45
ADC = 88 - 45
ADC = 43°
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Jawaban:
BC = 180
3x + 5 + 2x - 45 = 180
5x - 40 = 180
5x = 220
x = 44
ADC = 2x - 45
ADC = 2(44) - 45
ADC = 88 - 45
ADC = 43°