Question 1199779
.
The Rhind Mathematical Papyrus, an Egyptian document dating from circa 1650 BC, 
states that the area of a circular field of diameter 9 units is equal to the area 
of a square with a side of 8 units. This sets the ancient Egyptian value of π (pi) at
a) 3
b) 3 1/8
c) 3 1/9
d) 3 9/64
e) 3 13/81
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<pre>
This document states that

    {{{pi*4.5^2}}} = 8^2,

or, equivalently,

    {{{20.25*pi}}} = 64.


Thus they evaluate {{{pi}}} as

    {{{64/20.25}}} = {{{64/((81/4))}}} = {{{(64*4)/81}}} = {{{256/81)}}} = 3 {{{13/81}}}.     <U>ANSWER</U>
</pre>

Solved.


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3 {{{13/81}}} is about 3.16, so it is quite good approximation to 3.14.