The letter "K"
Well, we have no idea what angle you're talking about.
The answer depends on the font: it is 0 or 1.
As a capital letter M it has three angles
The letter "N" as two acute angles.
The letter "K"
Well, we have no idea what angle you're talking about.
The answer depends on the font: it is 0 or 1.
None
There are no angles they are all obtuse angles
There are two acute in the letter k
As a capital letter M it has three angles
K and R are two possibilities.
There are 3 right angles in the letter F
The letter "N" as two acute angles.
In the upper-case letter A? I see none, nor in lower case a either.
The letter 'H' has 8 angles. Each of the two vertical lines has two right angles, and the horizontal line has four angles (two acute angles and two obtuse angles). So, altogether, the letter 'H' has 8 angles.