acute
18 degrees
thirty nine
90 - 30 = 60 degrees.
complementary angles sum to 90o so 60o is your answer.
a 60-degree angle
A 60 degree angle
It is 60 degrees
A 53 degree angle.
The sum of two complements is 90 degrees, or a right angle. 90-35=55 degrees.
18 degrees
thirty nine
An acute angle.
Complements are defined for angles, not trigonometric ratios of angles.
90 - 30 = 60 degrees.
You know, if you look in your math book, it'll tell you how to find out. Alternatively, you could just pay attention in class.
complementary angles sum to 90o so 60o is your answer.
83 degree angle