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wysokosc bryly H=6
Pc=?
z pitagorasa
(1/2a)²+H²=h²
4²+6²=h²
16+36=h²
h=√52=2√13--->dl,wysokosci sciany bocznej
Pp=a²=8²=64 j²
Pb=4·1/2ah=2ah=2·8·2√13=32√13 j²
Pc=Pp+Pb=64+32√13=32(2+√13) j²