1) oblicz V i Pc sześcianu o krawędzi równej 2.
2) oblicz V i Pc prostopadłościanu o krawędziach 3x4x2
1.nie umiem
2. V=PpxH
V=3x2=6
1.
Pc = Pp + Pb
Pp = 2 x 2 x 2
Pp = 8
Pb = 4 x 2 x 2
Pb = 8 x 2
Pb = 16
Pc = 8 + 16
Pc = 24
V = a3
V = 2 x 2 x 2
V = 8
2.
Pp = 2 x 3 x 4
Pp = 6 x 4
Pp = 24
Pb = 4 x 3 x 4 x 2
Pb = 12 x 8
Pb = 96
V = a x b x c
V = 3 x 4 x 2
V = 12 x 2
V = 24
Mam nadzieję, że pomogłam ;)
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1.nie umiem
2. V=PpxH
V=3x2=6
1.
Pc = Pp + Pb
Pp = 2 x 2 x 2
Pp = 8
Pb = 4 x 2 x 2
Pb = 8 x 2
Pb = 16
Pc = 8 + 16
Pc = 24
V = a3
V = 2 x 2 x 2
V = 8
2.
Pc = Pp + Pb
Pp = 2 x 3 x 4
Pp = 6 x 4
Pp = 24
Pb = 4 x 3 x 4 x 2
Pb = 12 x 8
Pb = 96
V = a x b x c
V = 3 x 4 x 2
V = 12 x 2
V = 24
Mam nadzieję, że pomogłam ;)