6
9 right 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.
4
6
I don't see any at all.
it has no acute angles
there are three acute angles in an acute triangle, because there are three corners.
9 right 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.
It has twelve angles but all of them need not be acute.
This question can't be answered since there is no phrase shown that goes along with the question being asked.
The letter "N" as two acute angles.