Question 895455
To begin,
{{{A[1]=s^2}}}
Increasing the length of the side by 5%.
{{{s[2]=(1+5/100)*s=1.05s}}}
{{{A[2]=(1.05)s^2}}}
{{{(A[2]-A[1])/A[1]=1.05^2-1}}}
{{{(A[2]-A[1])/A[1]=.1025}}}
So the increase is 10.25%.