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abstraction > mathematical concept > unit > angle unit |
angle unit comparison table |
Subject | has equivalent | is an acronym for | has base unit | has unit | has proposal date | has definition | has symbol | has proposer | is an instance of |
---|---|---|---|---|---|---|---|---|---|
arcminute | 1/60 degree | A unit of angle equal to 1/60 of a degree. | angle unit | ||||||
arcsecond | 1/3600 degree | One sixtieth of an arcminute, or 1/3600 of a degree. | angle unit | ||||||
degree | An angle subtended in the sky: From the zenith to the horizon is 90 degrees. | angle unit | |||||||
radian | 57.29578° | Syteme Internationale | m·m-1 = 1 | defined in terms of derived SI unit via a system of quantity equations | 1873 | A measure of angular distance; 2π radians equals 360 degrees. | rad | James Thomson | named derived SI unit |
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