what is the angle name for one-fourth of a revolution 3 1 revolution = 360 ° 1 4 revolution = 360 ° 4 = 90 ° The angle is called as Right angle . 3 View Full Answer since, a revolution =3600 therefore, 1/4 of a revolution = 1/4 of 360 = 1/4 * 360 = 1/4 *360 90 = 1*90 = 900 -1