f) [latex]P=pi r^{2}[/latex] [latex]frac{P}{pi}= r^{2}[/latex] [latex]r= sqrt{frac{P}{pi}} [/latex] g) [latex]V=pi R^{2}*H[/latex] [latex]frac{V}{pi H}=R^{2}[/latex] [latex]R= sqrt{ frac{V}{pi H} } [/latex] h) [latex]P= frac{(a+b)h}{2} [/latex] [latex]2P=(a+b)h[/latex] [latex]a+b= frac{2P}{h} [/latex] [latex]b= frac{2P}{h}-a[/latex] i) [latex]P=pi r(r+l)[/latex] [latex]frac{P}{pi r}=r+l[/latex] [latex]l= frac{P}{pi r} -r[/latex]
[latex]f)\ \P=pi r^{2}/:pi \ \r^{2} = frac{P}{pi }\ \r=sqrt{frac{P}{pi }}[/latex] [latex]g)\ \V=pi R^{2}*H/:pi *H\ \R^{2}=frac{V}{pi *H}\ \R=sqrt{frac{V}{pi *H}}[/latex] [latex]h)\ \P=frac{(a+b)*h}{2}/*2\ \2P=(a+b)*h\ \2P=ah+bh\ \bh=2P-ah/:h\ \b=frac{2P-ah}{h}[/latex] [latex]i)\ \P=pi r(r+l)\ \P=pi r^{2}+pi r l\ \pi r l=P-pi r^{2}/:pi r\ \l=frac{P-pi r^{2}}{pi r}[/latex]
