Odpowiedź:
Zadanie 6
A)a = 5 cm
V = a^3 = ( 5 cm)^3 = 125 cm^3
P = 6*a^2 = 6* ( 5 cm)^2 = 6 *25 cm^2 = 150 cm^2
Zadanie 7
P=6a2
24=6a2
24:6=a2
4=a2
a=2
(2V'''2)2+22=x2
4x2+4=x
x2=12
x=V''''12=V'''4x3=2V'''3
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Odpowiedź:
Zadanie 6
A)a = 5 cm
V = a^3 = ( 5 cm)^3 = 125 cm^3
P = 6*a^2 = 6* ( 5 cm)^2 = 6 *25 cm^2 = 150 cm^2
Zadanie 7
P=6a2
24=6a2
24:6=a2
4=a2
a=2
(2V'''2)2+22=x2
4x2+4=x
x2=12
x=V''''12=V'''4x3=2V'''3
Szczegółowe wyjaśnienie: