6. Find the area of the cardboard

Vimal crafts the model of a building using cardboard. The building is in the form of a hemisphere mounted on the cuboid. If the hemisphere is of radius 7 \(cm\) and the cuboid is of dimension \(83 cm \times 80 cm \times 85 cm\), then find the area of the cardboard required?

 

Answer:

 

The area of the cardboard required \(=\)  \(cm^2\).

 

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