Question

The internet measures of a cuboidal room are 12m × 8m×4m.find the total cost of whitewashing all the four walls of a room,if the cost of white washing ₹5 per m​

Answer 1

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=160m2

Cost of white wash is 5m2

Total cost is 5×160=800Rs,

Answer 2

Answer:

I don't know bro because I read in class 7