The letter B has two angles: one acute angle formed by the curved line at the top, and one obtuse angle formed by the straight line on the right side. These angles are not fixed and can vary slightly depending on the font or style in which the letter B is written. In a geometric sense, the acute angle is typically around 45 degrees, while the obtuse angle is around 135 degrees.
As a capital letter M it has three angles
4 angles
The letter "N" as two acute angles.
It has 3 interior angles
There are no angles: the only intersections are of curves.