Question

The internal measures of a cuboidal room are 14 m x 10 m x 8 m. Find the total cost of whitewashing the four walls and the ceiling of the room, if the cost of whitewashing is Rs. 15 per m2​

Answer 1

Step-by-step explanation:

Answer

The dimensions of room is 12×8×4

The Lateral surface area is

2h(l+b)

2(4)(12+8)

8×20=160m

2

Cost of white wash is 5m

2

Total cost is 5×160=800Rs,

Answer 2

Step-by-step explanation:

plz refer to the above atached image!

hope this helps u