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Matematika
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Pertanyaan
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1 Jawaban
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1. Jawaban Tiarasls
Jawabannya A. 10/3 cm
Caranya :
ST/PQ = RT/QR
ST/5 cm = 12cm-4cm/12cm
Dikali silang
ST X 12cm = 5cm X (12cm-4cm)
12cm ST = 60cm-20cm
12cm ST = 40cm
ST = 40cm/12cm
ST = 10/3 cm (A)