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1mariamaria0
a fost răspuns

Dau multe puncte!!!!

Dau Multe Puncte class=

Răspuns :

AC/AO=BC/BO

20/AO=10/7

AO=20*7/10=140/10=14 CM 

OC = AC-AO=20-14=6 CM
IonelaVodă
DC║AB  T.T.H.⇒[tex] \frac{DO}{OB} = \frac{OC}{OA} = \frac{3}{7} = \frac{OC}{AO} =\ \textgreater \ \frac{3}{3+7}= \frac{OC}{OC+OA}=\ \textgreater \ \frac{3}{10} = \frac{OC}{AC} =\ \textgreater \ OC= \frac{3*20}{10}=[/tex]=6 =>AO=AC-OC=20-6=14

BAFTA!

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