# Question: a cylindrical granary with a diameter of 9 cubits and...

###### Question details

- A cylindrical granary with a diameter of 9 cubits and a height of 10 cubits; what is the volume of the granary in cubic cubits? (a cubit is roughly half a meter or roughly 20 inches)

a) Use the Egyptian method for area of a circle to find the approximate volume found in RMP.

b) Use the “modern” formula V = πhr^2 to determine the exact volume of the granary.

c) What percentage of the modern calculation does the Egyptian calculation differ by?