[latex]V = a *b *c / a*b c = V / a *b p = e*f /2 2p = ef e = 2p/f [latex]p = 2pp +n *hg p - 2pp = n *hg /hg n = p - 2pp/hg p = ab* h/2 2p = ab*h /ah b = 2p/ah[/latex] [latex]p = 2ab +2ac+ 2bc p = 2ab + c (2a +2b) p - 2ab = c(2a+2b) / 2a +2b c = p - 2ab/2a+ 2b c = p-2ab /2 (a+b) [/latex]
[latex] v=a*b*c |:ab [/latex] [latex]c= frac{v}{a*b} [/latex] [latex]p=e*f:2[/latex] [latex]p= frac{e*f}{2} |*2[/latex] [latex]2p=ef |:f[/latex] [latex]e= frac{2p}{f} [/latex] [latex] p=2p_p +n*hg [/latex] [latex] n*hg=p-2p_p |:hg [/latex] [latex]n= frac{p-2p_p}{hg} [/latex] [latex] p=2ab * h : 2 [/latex] [latex]p= frac{2ab*h}{2} |*2[/latex] [latex] 2ab*h = 2p |:2ah [/latex] [latex]b= frac{2p}{2ah} [/latex] [latex]b= frac{p}{ah} [/latex] [latex] p=2ab +2ac +2bc [/latex] [latex] p=2ab + 2c * (a+b) [/latex] [latex] 2c*(a+b) = p-2ab |: 2(a+b) [/latex] [latex]c= frac{p-2ab}{2ab} [/latex]