Answer:
Is an acute angle
Explanation:
The question in English is
How do you call a 16-degree angle?
we know that
An angle that measures exactly 90 degrees is called a right angle
An angle that measures less than 90 degrees and more than 0 degrees is called an acute angle
An angle that measures more than 90 degrees and less than 180 degrees is called an obtuse angle
In this problem

therefore
Is an acute angle