3. Five marks example problem II

A jewel box is in the shape of a cuboid of dimensions $30 \ cm$$\times$$15 \ cm$$\times$$10 \ cm$ surmounted by a half part of a cylinder as shown in the figure. Find the volume and T.S.A. of the box.

 

 

Answer:

 

Volume of the jewel box $=$  $cm^3$

 

Total surface area of the jewel box $=$  $cm^2$