Question 559893
It is an acute triangle, because all the angles measure less than 90 degrees, and so those angles are called acute.
It is also a scalene triangle, because all the sides have different lengths.
In any triangle, a larger angle has a larger side opposing it. So your triangle has a small side opposite the 25 degree angle, a larger side opposite the 69 degree angle, and an even larger side opposite the 86 degree angle.