perhatikan gambar! tolong dibantu pake cara ya
Matematika
Terry23
Pertanyaan
perhatikan gambar!
tolong dibantu pake cara ya
tolong dibantu pake cara ya
1 Jawaban
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1. Jawaban Iruchi
A3 + B2 = 180
6x + 40 + 3x + 5 = 180
9x + 45 = 180
9x = 135
x= 15 derajat
B1 = A3 = 6x + 40 = 6(15) + 40 = 130
A4 = 180 - 130 = 50
Jawaban: B