72 degrees.The complement is 18 degrees.72 + 18 = 9072 - 18 = 54
The complement of an angle is equal to 90 degrees minus the measure of the angle. Therefore, the complement of a 72 degree angle would be 90 degrees - 72 degrees, which equals 18 degrees.
straight angle.
An acute angle
Obtuse angle
Interior angle is 180 -18 = 162 degrees because there are 180 degrees on a straight line
72 degrees.The complement is 18 degrees.72 + 18 = 9072 - 18 = 54
The complement of an angle is equal to 90 degrees minus the measure of the angle. Therefore, the complement of a 72 degree angle would be 90 degrees - 72 degrees, which equals 18 degrees.
straight angle.
An acute angle
Obtuse angle
Exterior angle = 20 degrees Interior angle = 160 degrees
A bigger than 180 degrees angle
A 90-degree angle is commonly called a right angle.
revolution angle
an obtuse angle
An obtuse angle