Question

4) Se 2π rad= 360°, então 30° equivale, em radianos, a:
a) π
____
6

b) π
____
7

c) π
____
8

d) π
____
9

Answer 1

2π = 360

π = 360 ÷ 2

π = 180

π = 180

30 π = 180

π = 180 ÷ 30

π = 6

30° equivale a π/6

Letra A