14. Find the cost of glazing

The building of a business tower is in the form of a cube surmounted by a hemisphere. Suppose the side of a cube is $56$ $m$. The engineer plans to do glass glazing work. If the cost of glazing is 9 rupees per 80 square metres, then find the total cost of glazing.

 

Answer:

 

The total cost of glazing is  rupees.