Question

The internal measures of a cuboidal room are 12 m X 8 m X 4 m . Find the total cost of white washing all four walls of a room , if the cost of whitewashing is Rs 5 per square meters.
4 points

Answer 1

Answer:

800Rs

Step-by-step explanation:

The dimensions of room is 12×8×4

The Lateral surface area is  

2h(l+b)  

2(4)(12+8)  

8×20=160m  

 Cost of white wash is 5m  

 Total cost is 5×160=800Rs,