Jawabanmu

2014-03-19T21:42:25+07:00
6/10 = DE/8 10DE = 48 DE=48/10 =4,8
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Jawaban paling cerdas!
2014-03-19T22:04:34+07:00
1. DE/8 = 6/10
=> 10DE = 48
=> DE = 48/10
=> 4,8

2. AD
² = BD x DC
=> AD
² = 20 x 5
=> AD =
100,
=> AD = 10
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