Question

Expresse em Graus.
a) π/6 rad
b) πrad
c) 2π/4 rad
d) 3π/6 rad
e) 2πrad
f) 4π/5 rad
g) 0,2 rad
h) 5 rad

Answer 1

a) π/6

π/6 × 180°/π

30°

b) π

π × 180°/π

180°

c) 2π/4

π/2

π/2 × 180°/π

90°

d) 3π/6

π/2

π/2 × 180°/π

90°

e) 2π

2π × 180°/π

2 × 180°

360°

f) 4π/5

4π/5 × 180°/π

4 × 36°

144°

g) 0,2rad

πrad ----- 180°

0,2rad ----- x

π × x = 0,2 × 180°

x = 36°

h) 5rad

πrad ----- 180°

5rad ----- x

π × x = 5 × 180°

x = 900°