pilneeeeee jak obliczyćśrednicę/promień jakmampole75mkwadratowych?
P = π * r²
75 = π * r²
r² = 75/π
r = √(75/π)
r = √75/√π
r = 5√3/√π
r = (5√3 * √π) / π
r = 5√(3π) / π ----- promień
d = 2r
d = 2 * 5√(3π) / π
d = 10√(3π) / π ----- średnica
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P = π * r²
75 = π * r²
r² = 75/π
r = √(75/π)
r = √75/√π
r = 5√3/√π
r = (5√3 * √π) / π
r = 5√(3π) / π ----- promień
d = 2r
d = 2 * 5√(3π) / π
d = 10√(3π) / π ----- średnica