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Hs- wysokość ścianyostrosłupa
Ho- wysokość ostrosłupa
P=pole
P=4*1/2*8*Hs+8*8
Hs=sqrt(10^2-4^2)
Hs=sqrt(84)
P=16*sqrt(84)+64=32*(sqrt(21)+2)cm^2
Objętość
O=1/3*8*8*Ho
Ho=sqrt(84-16)=sqrt(68)
O=64/3*sqrt(68)=128/3*sqrt(17)cm^3
Pc=8*8+8*6*4=64+192=256cm²
V=1/3Pp*H
V=21 i 1/3* 2√17≈176cm³