What is the measurement of an acute angle?

Answer 1

Less than 90 degrees.

An acute angle measures between 0 and 90 degrees, a right angle measures 90 degrees, and an obtuse angle is between 90 and 180 degrees.
An acute angle is any angle that is less than 90 degrees.
An acute angle is greater than 0 but less than 90 degrees

Answer 2

Between 0 and 90 degrees
An acute angle is greater than 0 but less than 90 degrees

Answer 3

60

Answer 4

19