Question

The internal measures of a cuboidal room are 12m x 8m x 4m. Find the total cost of whitewashing all four walls of a room, if the cost of white washing is Rs 5per m².What will be the cost of white washing if the ceiling of the room is also white washed.​

Answer 1

This is the answer with proper working.

Answer 2

Answer:

800Rs

Step-by-step explanation:

the

dimensions of room 12m*8m*4m

The lateral surface area is

2h(l+b)

2(4)(12*8)

• 8*20=160m
• $160 m^{2}$
• cost of white wash is
• $5m {}^{2}$
• total cost is
• $5 \times 160 = 800rs$