Question

the perimeter of a floor of a room is 40 CM and it's height is 4cm find the area of the four walls of the room.​

Answer 1

Answer:

Given perimeter of the floor is 400 m

Height of the walls is 6 m

Area of the four walls is perimeter×height=400×6=2400 m

Cost of painting per square metre is Rs.10

So Cost of painting the four walls is 10×2400=Rs.24,000