Question

. The length, breadth and height of a room are 12 ft x 10 ft x 8 ft. Find the cost white washing
the four walls as well as ceiling of the room at the rate of * 5 per sq. ft.​

Answer 1

Answer:

cost=Rs 2360

Step-by-step explanation:

first find the lateral surface area of the cuboid and add it to the base area and you will get the area to be whitewashed, then muliply the area by 5

then you will get the cost

Answer 2

area where the white wash is going on =2(12×8+10×8)+10×12

2(96+80)+120=192+160+120=472ft²

1sq ft cost =5rs

472sq ft cost= 2360rs