mohon bantuannya y ....teman2
Matematika
febinato
Pertanyaan
mohon bantuannya y ....teman2
1 Jawaban
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1. Jawaban PersatuanWibu
DE x AB + AE x DC 6 x 20 + 9 x 12
EF = ----------------------------- = ---------------------
AE + ED 9 + 6
228
= -------
15
= 15,2 cm