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Pc=Pp+Pb=πr²+πrL=πr(r+L)
gdzie L-tworząca stożka
L=√(r²+h²)=√(36+64)=100
Pc=π·6·(10+6)=96π[j²]
Pozdr
Hans
Pc=Pp+Pb
Pp=r
Pp=36
Pb=rl
l=8 (z pitagorasa)
Pb=6*8
Pb=48
Pc=36+ 48
Pc=96
V = 1/3 6 *8
V= 1/3 *36*8
V=96
V= 96
Pc= 96