Question 256612
Lets start with perimeter formula as
{{{P = 2L + 2W}}}
From the given information,. we have
{{{P = 2(n+6) + 2(n)}}}
which is
{{{P = 4n + 12}}}
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Now we have the area formula as
{{{A = LW}}}
again, from the given, we get
{{{A = (n+6)(n)}}}
which is
{{{A = n^2 + 6n}}}