Question

transforme em radiano:
a) 80 graus
b) 120 graus
c) 60 raus
d) 150 graus

Answer 1

π * rad ´= 180°
3,14(π) * rad = 180
180°/3,14 = 57°
1 rad = 57° aproximadamente

A - 
57°___1
80°___x
57.x = 80.1
57x = 80
X = 80/57 = 1,40 rad

B - 
120/57 = 2,10 rad 

C - 60/57 = 1,05 rad

D - 150/57 = 2,63 rad