: converter em graus a) π/6rad b)2π/3rad c)π/10rad d)5π/4rad e)3π rad
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Usa a fórmula: α = xπ / 180, sendo x o valor em graus (a ser descoberto).
A) 180 ⇔ π x = 180π / 6 / π
x ⇔ π / 6 x = 30π / π
x = 30°
B) 180 ⇔ π x = 360π / 3 / π
x ⇔ 2π / 3 x = 120π / π
x = 120°
C) 180 ⇔ π x = 180π / 10 / π
x ⇔ π / 10 x = 18π / π
x = 18°
D) 180 ⇔ π x = 900π / 6 / π
x ⇔ 5π / 4 x = 150π / π
x = 150°
E) 180 ⇔ π x = 540π / π
x ⇔ 3π x = 540π / π
x = 540°
A) 180 ⇔ π x = 180π / 6 / π
x ⇔ π / 6 x = 30π / π
x = 30°
B) 180 ⇔ π x = 360π / 3 / π
x ⇔ 2π / 3 x = 120π / π
x = 120°
C) 180 ⇔ π x = 180π / 10 / π
x ⇔ π / 10 x = 18π / π
x = 18°
D) 180 ⇔ π x = 900π / 6 / π
x ⇔ 5π / 4 x = 150π / π
x = 150°
E) 180 ⇔ π x = 540π / π
x ⇔ 3π x = 540π / π
x = 540°
Bethanya:
obrigada
esqueci uma f)12π rad/5
12 * 180 π/ 5 / π = 2160π / 5 / π = 432π / π = 432°
nossa obrigada mesmo queria aprender e conteudo de prova
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