Question 867137
P of rectangle = 2 (L+W) = 2 (10+12) = 44   Yes, good work.
{{{P[square] = 44}}}  {{{s[Square] = 44/4 = 11}}}  {{{A[square] = 11^2 = 121}}}
c. add 10 and 12, double the sum, divide by 4, then square the quotient