Answer:
A, F
Explanation:
It is scalene since all side lengths are of different lengths.
It is not equilateral since side lengths are all of different lengths.
It is not isosceles since no two angles are the same.
It is not obtuse because no angle is greater than 90 degrees.
It is not right because no angle is of 90 degrees.
It is acute because all angles are less than 90 degrees.