Jawabanmu

2014-04-27T13:44:43+07:00
Luua ABC= luas ABC
1/2 x AB x CE=1/2 xAD x BC
AB x CE = AD x BC
20xEC=16x28
EC=22,4


Jawaban paling cerdas!
2014-04-27T13:45:04+07:00
½28×16= 224 cm² ..224=½20.x 224= 10.x 22,4=x jado jawabnya 22,4
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