A Norman window has the shape of a rectangle surmounted by a semicircle. (Thus the diameter of the semicircle is equal to the width of the rectangle.) If the perimeter of the window is 24 ft, find the value of x so that the greatest possible amount of light is admitted.

Answer 1

Damon did same question, except the perimeter was 30
easy to change

http://www.jiskha.com/display.cgi?id=1320523648

Answer 2

676