Respuesta :

Answer:

(- 2π) / 9 radians

Step-by-step explanation:

The conversion ratio is   [tex]\frac{ pi }{ 180 }[/tex]        or    π  radians : 180 degrees =  1

-40  degrees  *  (  π radians / 180 degrees) =   (- 2π) / 9 radians