Question 976771
{{{(1/2)b*h=64}}}, and {{{h=2b}}}.


{{{bh=128}}}
{{{b*2b=128}}}
{{{b^2=128/2}}}
{{{b^2=64}}}
{{{highlight(b=8)}}}


{{{h=2*b=2*8=highlight(16=h)}}}