Răspunsuri

2014-05-19T15:42:26+03:00
Cel mai inteligent răspuns!
2014-05-19T16:02:55+03:00
aria triunghiului  ABC daca AB=6,4cm, AC=15 cm, m(<A)=150
 S=\frac{ l_{1}* l_{2}*sin \alpha   }{2}
S=(15*6.4*sin150)\2
S=(15*6.4*1/2)/2
S=(96*1/2)/2
S=(96/2)/2
S=48/2
S=24
2 5 2