Question 1057394
Either convert feet to inches or inches to feet.
I'll convert feet to inches.
{{{P=18*12+4=216+4=220}}}{{{in}}}
A square has 4 equal sides,
{{{4s=220}}}
{{{s=55}}}{{{in}}}
The area of a square with side s is,
{{{A=s^2}}}
{{{A=(55)^2}}}
{{{A=3025}}}{{{in^2}}}
{{{1}}}{{{ft}}}*{{{1}}}{{{ft}}}={{{12}}}{{{in}}}*{{{12}}}{{{in}}}
{{{1}}}{{{ft^2}}}={{{144}}}{{{in^2}}}
So then,
{{{A=3025}}}{{{in^2}}}*{{{1/144}}}{{{(ft^2)/(in^2)}}}
{{{A=3025/144}}}{{{in^2}}}*{{{1/144}}}{{{(ft^2)/(in^2)}}}
{{{A=21&1/144}}}{{{ft^2}}}