22.5
The degree measure of five fourths of a right angle is 112.5 degrees
The supplement of an 80 degree angle is an 100 degree angle.
A right angle turn is 90 degrees. A fourth of this would be 90/4 degrees or 22.5 degrees.
45 degree angle
If you absolutely needed to measure an angle to find out its degree measure, you would use a protractor.
An angle whose degree measure is between 0 and 90 is an acute angle. An angle whose degree measure is between 90 and 180 is an obtuse angle. These are basic properties of geometry.
A right angle (L) is 90 degrees. A straight angle (_) is 180 degrees.
A right angle.
A right angle
The other name for a right angle is a 90-degree angle.
10 degrees
A right angle is 90 degrees, so 45 degrees is half a right angle turn.