Question

what are supplementary units define them​

Answer 1

Answer:

The radian and steradian were classified as supplementary units. Thus the SI now consists of only two classes of units: base units and derived units, with the radian and steradian, which were the two supplementary units, moved into the class of SI derived units.

hope it helps you

purple u

Answer 2

Answer:

supplementary unit are the dimensionless unit that are used along with a base units to form derived unit in the international system. the class of supplementary contain only two purely geometrical unit , that is radian and the Steradian....

hope it will help u