Jawabanmu

2014-08-29T15:55:16+07:00
Kerjanya pake perbandingan aja
Jawaban paling cerdas!
2014-08-29T16:09:19+07:00
20/10=3/t
⇒20t=10x3
⇒20t=30
⇒t=30/20
⇒t=1,5cm
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