Ola Carina
r = 4
a = 3
geratriz
g² = r² + a²
g² = 4² + 3² = 25
g = 5
comprimento
C = 2π*r = 2π*4 = 8π
arco
l = x*g = 5x
C = l
8π = 5x
x = 8π/5 = 288°
pronto
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Answers & Comments
Ola Carina
r = 4
a = 3
geratriz
g² = r² + a²
g² = 4² + 3² = 25
g = 5
comprimento
C = 2π*r = 2π*4 = 8π
arco
l = x*g = 5x
C = l
8π = 5x
x = 8π/5 = 288°
pronto