Cirangle!
Geometry
Level
3
The radius of the circle is \(20\) and \(\angle AOB=\frac{3}{10} \pi.\)
If \(C\) is a point on \(\overline{BO}\) such that \(\overline{AC}\) is the bisector of \(\angle BAO,\) what is the length of \(\overline{BC}?\)
Round your answer to 3 decimal places.
by
Figel Ilham