Assessment of the Number Pi

Author:
nemcovagsf
Change the position of the black point in order to see the changes of the areas of the shapes in the picture. Archimedes discovered that the area of the circle with the diameter "d" is aproximately equal to the 11/14 the area of the square with the length of the side "d". a) What was the Archimedes' assessment of the number pi? b) What was the deviation in comparison to the real value of the number pi?