no 2 sama 3, tolong sama caranya mksh
Matematika
Putriper21
Pertanyaan
no 2 sama 3, tolong sama caranya mksh
1 Jawaban
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1. Jawaban sifanoor2
3. ADC = 3x + 20, ABC = 4x - 15
3x + 20 + (4x - 15) = 180
3x + 20 + 4x - 15 = 180
7x + 5 = 180
7x = 180-5
x = 175/7 = 25
ADC = 3x + 20 = 3. 25 + 20 = 95
ABC = 4x - 15 = 4.25 - 15 = 85