Răspunsuri

2014-02-23T17:49:14+02:00
Sin B=AC/BC
2/3=AC/12
AC=2*12/3
AC=8cm
AB=v144-64
AB=v80
AB=4v15
tg C=AB/AC
tg C=4v15/8=v15/2

dar ai gresit la Ab
nu da 60 ci 80
ca 144-64=80
Ma corectez imediat.
multumesc :)