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Answer: Acute

Step-by-step explanation:

∠5 is acute, since the measure of the angle is acuter than 90° when measured with a protractor.

devishri1977

Answer:

∠5 is an acute angle

Step-by-step explanation:

If an angle is 90°, then it is right angle.

If an angle is less than 90°, then it is acute angle.

If an angle is greater than 90°, then it is obtuse angle.