Their is not an that is 180 degrees. This would only make a line.
An angle of 180 degrees is a straight angle, a straight line.
Straight line
An angle of 180 degrees has no name, but its subtending lines would form one straight line.
A straight angle (180 degrees) makes a perfectly straight line. Any degree below 180 degrees (0-179 degrees) is NOT a straight angle NOR a straight line. straight angle = 180 degrees straight angle = straight line 180 degrees
A straight line is 180 degrees.
An angle of 180 degrees is a straight line.
An angle measuring 180 degrees is a straight angle, or straight line.
A straight line has an angle of 180 degrees.
the angle on a straight line is 180 degrees, the angle of semicircle at centre is 180 degrees
180 degrees
180 degrees -- a straight angle