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Stefaniabianca2
a fost răspuns

Daca ABC~Mnp,iar ab=18cm,ac=10cm,bc=20cm si mp=60cm,calculati MN si NP.

Răspuns :

AB/MN=AC/MP=BC/NP
18/MN=10/60
MN=(60x18)/10=108
AB/MN=BC/NP
18/108=20/NP
NP=(20x108)/18=120