Question 1079065
{{{s^2=2^2+11^2}}}
{{{s=sqrt(4+121)}}}
{{{s=sqrt(125)}}}
{{{s=5sqrt(5)}}}


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Area of just the sides:
{{{4*(1/2)4*5sqrt(5)}}}
{{{highlight(40*sqrt(5))}}}
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If the square base side is also included in the total area, then
{{{highlight(16+40*sqrt(5))}}}.