Odpowiedź:
a)
[tex]P_c = 6 {a}^{2} [/tex]
[tex] \frac{P_c}{6} = {a}^{2} [/tex]
[tex] \sqrt{ \frac{P_c}{6} } = a[/tex]
b)
[tex]V = abc[/tex]
[tex]b = \frac{V}{ac} [/tex]
c)
[tex]P_c = d_1 \times{d_2}[/tex]
[tex]d_1 = \frac{P_c}{d_2} [/tex]