Question 962499
If the perimeter is 196, then
{{{196=2(length + height)}}}
and
{{{length = height + 10}}}
so
{{{196=2(l + h)}}}
{{{196=2(h + 10 + h)}}}
{{{196=2(2h+10)}}}
{{{196=4h+40}}}
{{{4h=156}}}
{{{h=39}}}
and so
{{{l=39+10=49}}}
The board has length 49in and height 39in.