Question

Jesli pole wycinka wynosi 27 pi to jak oblicz promien ?

Answer 1

pole wycinka koła Pw = 27π cm²

pole kola = P = πr²  , r-promień koła

27π = πr²  // :π
r² = 27
r = √27 = √9*√3 = 3√3

r= 3√3
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Answer 2

Pole wycinka = 27π= πr²
πr²=27π// :π
r²=27
r= √27
r= √3*9
r= 3√3