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Verified answer
Izinkan saya mencoba menjawab ,JP1 = 6 cm
JS1 = 84 km = 8.400.000 cm
JP2 = ?
JS2 = 210 km = 21.000.000 cm
Caranya menggunakan perbandingan
JP1 / JS1 = JP2 / JS2
6 / 8.400.000 = JP2 / 21.000.000
6 / 84 = JP2 / 210
1 / 14 = JP2 / 210
JP2 = 210/14
JP2 = 15 cm