Question

Calculati lungimea razei cercului circumscris unui triunghi ABC, in care A=pi/6 si BC=6.

Answer 1

[tex]\text{Teorema sinusurilor:}\\ \\ \dfrac{BC}{\sin A}=2R\\ \\ \dfrac{6}{\dfrac{1}{2}}=2R\\ \\ 2R=12\Rightarrow R=6[/tex]