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a fost răspuns

Cercetati daca ΔABC asemenea ΔDEF in urmatoarele situatii:
a)AB=AC=15cm,m(∡A)=70°,DE=DF=8cm,m(E)=55°
b)AB=5cm,BC=7cm,CA=9cm,DE=7,5cm,EF=10,5cm,FD=13,5
c)AB=5cm,BC=6cm,CA=7cm,EF=10cm,FD=12cm,DE=14cm