Question

determine quantos radianos corresponde 40 graus?

Answer 1

Olá!!

π rad ==== 180°
    X  ===== 40°
 
           40.π rad
X  =  --------------
              180


       4.π rad
X = -----------
           18


         2.π rad
X = --------------
             9

Answer 2

360º-------------2π rad
40º----------x
360x=80π
x=80π/360
x=2π/9 rad