A is one possible answer.
If you mean which alphabet letter, an L has one right angle; a T has a right and left acute angle.
The letter "R".
an acute angle
my answer is R
The capital letter E has no acute angles but it does have right angles.
acute angle
a
If you mean which alphabet letter, an L has one right angle; a T has a right and left acute angle.
The letter "R".
an acute angle
It could be capital letter A
an acute angle -David L.
my answer is R
The letter K. It has two acute angles, top and bottom between, the l and < and the inside angle of the < is a rightangle.
yes
Acute.
Acute.