If one angle of a linear pair is obtuse, then the other is?

The other is acute angle.

Step-by-step explanation:

Consider the provided statement.

If two angles are adjacent angles formed by two intersecting lines, two angles are said to be linear. The sum of linear pair angle is 180.

Obtuse angle: The measure of obtuse angle is more than 90° and less than 180°.

Acute angle: The measure of acute angle is more than 0° and less than 90°.

Now consider the provided information.

It is given that one angle is Obtuse that means the measure of the angle is greater than 90°.

Therefore, the measure of other angle will be less than 90°

Hence, the other is acute angle.