None: a circle has no angles, and certainly no acute ones.
In an acute triangle, all three angles are acute.
There can be 1 or 2 acute angles.
there are three acute angles in an acute triangle, because there are three corners.
The letter "N" as two acute angles.
In geometry, angles are created by the intersection of lines or of line segments. A curve is not an angle, and a semi-circle (or complete circle) consists only of one continuous curve. There are no angles as such. If you like, you can conceive of a curve as a collection of infinitely many angles. But you can never see them individually, they are only seen as a group. They are not obtuse (or acute) angles in the normal sense of the term.
it has No acute or obtuse angles
Just about any shape that isn't a circle can have two or more acute angles. But with some of them, you need to make them have acute angles.
there are three acute angles in an acute triangle, because there are three corners.
it has no acute angles
It has a straight, right, acute, and obtuse angles.
In an acute triangle, all three angles are acute.
There can be 1 or 2 acute angles.
there are three acute angles in an acute triangle, because there are three corners.
The letter "N" as two acute angles.
There are three acute angles in an acute triangle and they add up to 180 degrees.
It has twelve angles but all of them need not be acute.
There are no acute angles in a rectangle which has 4 equal interior right angles