tlong bantu jwb jngan asalan ya
Matematika
wulan1086
Pertanyaan
tlong bantu jwb jngan asal"an ya
1 Jawaban
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1. Jawaban Fikri2707
cari dulu x nya,
3x + 90 = 180
3x = 180-90
3x = 90
x = 90/3 = 30
<aoc = 2x
<aoc = 2(30) = 60 (D)
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