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Matematika
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Pertanyaan
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1 Jawaban
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1. Jawaban Alessiazara
13. 4y + 44 = 180°
4y = 180 - 44
4y = 136
y = 136/4
y = 34° B
14. B
15. Q = R
Q = 116°
P&S = 360° - 116 - 116
P&S = 128°
P : S = 5 : 3
P = 5/8 × 128
= 80° C