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a=6cm
d=10cm
z Pitagorasa
a^2+H^2=d^2
36+H^2=100 /-36
H^2=64
H=8 [cm]
Pp=a^2*(pierwiastek z 3)/4=36*(pierw. z 3)/4=9*(pierw. z 3)
Pb=Op*H
Op=3a
Pb=3*a*H=3*6*8=144
Pc=2*Pp+Pb=2*9*(pierw. z 3)+144=18*(pierw. z 3)+144=18*[(pierw. z 3)+8] [cm^2]
V=Pp*H=9*(pierw. z 3)*8=72*(pierw. z 3) [cm^3]