Problema Solution

A farmer has a square garden. Each side equals 3x. Write a simplified rational expression for the ratio of the gardens perimeter to it's area.

A edge of a square is twice as long as the radius of a circle. Find the ratio of the area of the circle to the area of the square.

Answer provided by our tutors

A farmer has a square garden. Each side equals 3x. Write a simplified rational expression for the ratio of the gardens perimeter to it's area.

Solution:

               Perimeter = P = 4 * 3x = 12x

               Area =A = (3x)^2 = 9x^2

 

             P/A = 12x/(9x^2)  = 4/(3x)