Oblicz promień koła którego pole jest równe 36 pi cm do kwadratu
P=36πcm
r=?
P=πr²
36π=πr² /:π
r²=36
r=√36=6cm
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P=36πcm
r=?
P=πr²
36π=πr² /:π
r²=36
r=√36=6cm