If a and b are two positive rational numbers such that ab is not a perfect square of a rational number, then ab is an irrational number lying between a and b.
So an irrational number between 3 and 4 is=3×4=3×4=3×2=23
Let the width of the pool be x Total length of the pool—2(x+3) Total width of the pool—2(x) Perimeter—2(x+3)+2x=48 2x+6+2x=48 6x=42 x=7 Width of the pool is 7 feet. x=