7. Find the cost of painting

The monument is in the form of a hemisphere mounted on the cuboid. The hemisphere is of radius 14 \(m\) and, the cuboid is of dimension \(30 m \times 27 m \times 32 m\). If the cost of painting the monument is \(₹23\) per metre square, find the total cost of painting the monument?

 

Answer:

 

The total cost of painting the monument \(=\) \(₹\) .

 

[Note: Use \(\pi = \frac{22}{7}\).]