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Ann1228
a fost răspuns

Se cosidera ∆ABC~∆MNP. DacaAB=9cm,BC=12 cm,NP=18cm si MP=22,5cm calculati [AC] si[ MN].

Răspuns :

Gabypopovci
ΔABC~ΔMNP⇒ AB/MN=AC/MP=BC/NP
9/MN = AC/22,5= 12/18=2/3
9/MN=2/3
2MN=9*3=27
MN=27:2=13,5 cm
AC/22,5=2/3
3AC=22,5*2=45
AC=45:3=15 cm

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