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Matematika
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Pertanyaan
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1 Jawaban
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1. Jawaban Shasakira
ST/PR = QT/PQ
8/12 = x/3+x
2/3 = x/2+x
2 (2+x) = 3x
4 + 2x = 3x
4 = 3x-2x
4 = x
x = QT
PQ = PT + QT
PQ = 3 + 4
PQ = 7 cm