Răspunsuri

Cel mai inteligent răspuns!
2014-04-10T18:04:15+03:00
ΔADE mas<D=90  mas <B=60⇒  mas<BAD=30
ΔADC mas<D=90  mas <C=50⇒  mas <DAC=40

mas<A=mas<BAD+mas<DAC=30+40=70
AE-bisect⇒mas<BAE=mas<CAE=mas<A/2=70/2=35

mas<BAE=mas<BAD+mas<DAE
35=30+mas<DAE
mas<DAE=35-30=5
3 3 3
2014-04-10T18:08:47+03:00