Respostas

2014-04-24T15:06:22-03:00
Π ⇔ 180°

(1) 2π ⇔ 180°.2 = 360°
(2) π ⇔ 180° 
(3) π/2 ⇔ 180°/2 = 90°
(4) π/4 ⇔ 180°/4 = 45°

(3) 7π/14 = π/2 
(4) 3π/12 = π/4
(1) 12π/6 = 2π
(2) 3π/3 = π

(2) 180°
(3) 90°
(4) 45°
(1) 360°
obrigada WilliamMendes
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