Question

what is suplementary unit?​

Answer 1

Answer

Hope it will help you

Answer 2

$\: \: \: \: \: \: \: \: \: \: \: \: \: \: \underline \mathfrak {suplementary \: unit}$

: Dimensionless units that are used along with Base units to form derived units in the International System; this class contains only two purely geometrical units: the radian and the steradian.

$\: \: \: \: \: \: \: \: \: \: \: \: \: \: \: \: \: \: \: \: \: \: \: \: \: \huge \mathfrak\red{tq}$