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abstraction > mathematical concept > unit > angle unit > radian
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radian comparison table
Subject has equivalent is an acronym for has base unit has proposal date has unit has definition has symbol is a kind of has proposer is an instance of is a unit of
angle unit       unit  angle
named derived SI unit Syteme Internationaledefined in terms of the seven SI base units via a system of quantity equations defined in terms of derived SI unit via a system of quantity equations  derived SI unit   
radian57.29578°Syteme Internationalem·m-1 = 11873defined in terms of derived SI unit via a system of quantity equationsA measure of angular distance; 2π radians equals 360 degrees.rad James Thomsonnamed derived SI unitangle

Next angle unitarcminute    Upangle unit, named derived SI unit    Previous angle unitdegree