Urgent!! Imi trebuie azi!!


Urgent Imi Trebuie Azi class=

Răspuns :

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Vezi imaginea CRISANEMANUEL
Conform teoremei asemanarii 
AB/DE=BC/EF=CA/FD
8/x=12/y=10/8
10/8=1,25
12/y=1,25⇔12/1,25=9,6 =y
8/x=1,25⇔8/1,25=6,4=x
10/8=12/9,6=8/6,4