Question

Determine a medida, em graus, equivalente a :
r/4 rad
3r/2 rad
7r/6 rad
2r/5 rad
5r/3 rad

Answer 1

π/4 rad = 180/4 = 45°

3π/2 rad = 3.180/2= 3.90= 270°

7π/6 rad = 7.180/6= 7.30 = 210°

2π/5 rad = 2.180/5= 2.36 = 72°

5π/3 rad = 5.80/3= 5.60 = 300°