the complement of an acute angle (less than 90 degrees) is 90 minus the angle which is 71 degrees in this case.
19
90 - 19 = 71 degrees.
An angle greater than 90 degree is an obtuse angle.
An acute angle
A right angle
A right angle
complete angle
A right angle
It is 19 degrees. You can find the compliment of an angle by subtracting that angle from 90.
straight angle
That would be an acute angle.
a 180 degree angle