Which of the following laws is described in the situation below?

Which of the following laws is described in the situation below?
If an angle is less than 90 degrees then, it is acute. Therefore, since Angle A is less than 90 degrees, it is acute.

Law of Detachment

Law of Syllogism

Answer:

The law of detachment.
Given: If p, then q. (p=an angle is less than 90°, q=it is acute)
Then, Given: Angle a is "less than 90°"
We can conclude “It is acute.”