Odpowiedź:
Mamy
h = 2 r
więc
Pb = 2π r* h = 2π r*2 r = 4 π r²
Pp = π r²
Pb : Pp = 4 π r² : π r² = 4
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Szczegółowe wyjaśnienie:
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Odpowiedź:
Mamy
h = 2 r
więc
Pb = 2π r* h = 2π r*2 r = 4 π r²
Pp = π r²
Pb : Pp = 4 π r² : π r² = 4
==========================
Szczegółowe wyjaśnienie: