Zad 1
Pc prostopadłoscianu o wymiarach
a)
2cm x 3cm x 5 cm
Pc = 2Pp + Pb
Pc = 2 * 2 * 3 + 2 * 2 * 5 + 2 * 3 * 5 = 12 + 20 +30 = 62 [tex]cm^{2}[/tex]
b)
3dm x 7dm x 8dm
Pc = 2Pp + Pb
Pc = 2 * 3 * 7 + 2 * 3 * 8 + 2 * 7 * 8 = 42 + 48 + 112 = 202 [tex]dm^{2}[/tex]
Zad 2
Pc sześcianu o krawędzi :
a)
4dm
Pc = 6[tex]a^{2}[/tex]
Pc = 6 * 4 * 4 = 96 [tex]dm^{2}[/tex]
b)
10dm
Pc = 6[tex]a^{2}[/tex]
Pc = 6 * 10 * 10 = 600 [tex]cm^{2}[/tex]
