Odpowiedź :
Odpowiedź:
Szczegółowe wyjaśnienie:
A) p=5•5•6=150cm² V=5³=125cm³
B) p=2•6•2+2•5•2+6•5•2=24+20+60=104cm² V=2•6•5=60cm³
a)
[tex]V = 5 \times 5 \times 5 = \underline{125 {cm}^{3} }[/tex]
[tex]Pc = 6 \times 5 \times 5 = 30 \times 5 = \underline{ 150 {cm}^{2} }[/tex]
b)
[tex]V = 2 \times 6 \times 5 = 12 \times 5 = \underline{60 {cm}^{3} }[/tex]
[tex]Pc = 2 \times P_1 + 2 \times P_2 + 2 \times P_3[/tex]
[tex]P_1 = 2 \times 6 = 12 {cm}^{2} \\ \\ P_2 = 2 \times 5 = 10 {cm}^{2} \\ \\ P_3 = 6 \times 5 = 30 {cm}^{2} [/tex]
[tex]Pc = 2 \times 12 {cm}^{2} + 2 \times 10 {cm}^{2} + 2 \times 30 {cm}^{2} = 24 {cm}^{2} + 20 {cm}^{2} + 60 {cm}^{2} = \underline{ 104 {cm}^{2} }[/tex]