the complement of an acute angle (less than 90 degrees) is 90 minus the angle which is 71 degrees in this case.
The supplement of an angle is found by subtracting the angle from 180 degrees. Therefore, the supplement of a 19-degree angle is 180 - 19 = 161 degrees.
19
90 - 19 = 71 degrees.
An angle greater than 90 degree is an obtuse angle.
An acute angle
complete angle
A right angle
A right angle
A right angle
straight angle
a 180 degree angle
It is an acute angle.