3.14*(x/2)^2=16

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Solution for 3.14*(x/2)^2=16 equation: 


x in (-oo:+oo)

3.14*(x/2)^2 = 16 // - 16

3.14*(x/2)^2-16 = 0

0.785*x^2 = 16 // : 0.785

x^2 = 20.38216561

x^2 = 20.38216561 // ^ 1/2

abs(x) = 20.38216561^(1/2)

x = 20.38216561^(1/2) or x = -20.38216561^(1/2)

x in { 20.38216561^(1/2), -20.38216561^(1/2) }

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