Level:
Project ID:
2010015303
Source Problem:
Accepted:
0
Clonable:
1
Easy:
1
Triangle \( ABC \) is given (See the picture.). Choose the correct statement, if \(r\) is a radius of its circumcircle.
\( \frac{b}{\sin\beta} = 2r \)
\( \frac{a}{\sin \alpha}= \frac{\sin\beta}{b}\)
\( c \sin \alpha = b \sin \gamma \)
\( \frac{a}{\sin \alpha}= r\)