szescian
Pp=a*a=4cm*4cm=16cm2
pc=Pp*6=16cm2*6=96cm3
V=a*a*a=4cm*4cm*4cm=64cm3
1.
w podstawie kwadrat
a=3cm
H=4cm
Pc=2Pp+Pb
Pc=2a^2+4aH
Pc=2*3^3+4*3*4=2*9+48=18+48
Pc=66cm^2
V=PpH
V=a^2H
V=3^2*4=9*4
V=36cm^3
2.
w podstawie trójkąt równoboczny
a=4cm
H=5cm
Pp=a^2V3/4
2Pp=2a^2V3/4=a^2V3/2
2Pp=4^2V3/2=16V3/2=8V3cm^2
Pb=3aH
Pb=3*4*5=60cm^2
Pc=8V3+60
Pc=4(2V3+15)cm^2
V=a^2V3/4*H
V=4^2V3/4 *5=16V3/4 *5=4V3*5
V=20V3cm^3
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szescian
Pp=a*a=4cm*4cm=16cm2
pc=Pp*6=16cm2*6=96cm3
V=a*a*a=4cm*4cm*4cm=64cm3
1.
w podstawie kwadrat
a=3cm
H=4cm
Pc=2Pp+Pb
Pc=2a^2+4aH
Pc=2*3^3+4*3*4=2*9+48=18+48
Pc=66cm^2
V=PpH
V=a^2H
V=3^2*4=9*4
V=36cm^3
2.
w podstawie trójkąt równoboczny
a=4cm
H=5cm
Pc=2Pp+Pb
Pp=a^2V3/4
2Pp=2a^2V3/4=a^2V3/2
2Pp=4^2V3/2=16V3/2=8V3cm^2
Pb=3aH
Pb=3*4*5=60cm^2
Pc=8V3+60
Pc=4(2V3+15)cm^2
V=PpH
V=a^2V3/4*H
V=4^2V3/4 *5=16V3/4 *5=4V3*5
V=20V3cm^3