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International System of Units (view source)
Revision as of 21:13, January 25, 2012
, 21:13, January 25, 2012→Supplementary Units: internal link
== Supplementary Units ==
== Supplementary Units ==
The metric system originally had the two units of plane angle and solid angle. Since they consist of a unit of length divided by a unit of length and thus dimensionless CGPM decided not to retain them in the base units. They were put into a separate category called Supplementary Units. They have been moved again and are now listed as named Derived Units.
The metric system originally had the two units of plane angle and solid angle. Since they consist of a unit of length divided by a unit of length and thus [[dimensionless]] CGPM decided not to retain them in the base units. They were put into a separate category called Supplementary Units. They have been moved again and are now listed as named Derived Units.
=== Radian ===
=== Radian ===