Jawabanmu

2014-03-12T20:40:07+07:00
10/15 = ×/60 2/3 = ×/60 120=3× ×=40
CD = 40
tolong yang lebih jelas penyelesaiannya donkk..
2014-03-12T20:42:26+07:00
AB/AOB = CD/COD
10/15 = x/60 (kali silang)
15x = 600
x = 40
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