The triangle below is classified as which of the following

This triangle has no sides which are the same, so this is classified as a scalene triangle.
After we have classified this triangle type, we look at the angles.
If you see the angles, all of the angles have no more than 90°. Acute is less than 90°, right is 90°, and obtuse if more than 90°.
All of the angles in this triangle is less than 90°. This means it's acute.
In conclusion, the triangle is scalene and it is acute, which means it is a scalene acute.