1)m (A)+m (B)+m (C)=180<br />90+m (B)+60=180<br />m (B)=180-90-60<br />m (B)=30 rezulta 2AC=BC <br />BC=2×3 <br />BC=6<br />m (A)=90 rezulta BC×BC=AB×AB+AC×AC<br />2AC×2AC=AB×AB+AC×AC<br />2×3×2×3=AB×AB+3×3<br />36=AB×AB+9<br />AB×AB=36-9<br />AB×AB=27<br />AB=3 radical din3<br />m (C)=60<br />m (B)=30
2)m (A)+m (B)+m (C)=180
90+m (B)+45=180
m (B)=180-90-45
m (B)=45
m (C)=45 rezulta ABC isoscel dreptunghic rezulta AC=AB
m (A)=90 rezulta BC×BC=AC×AC+AB×AB
14×14=AC×AC+AC×AC
196=2×AC×AC
AC×AC=196÷2
AC×AC=98
AC=7 radical din 2
AC=AB=7 radical din 2
Ma-s bucura daca ai da coroana
