Area of four walls of a room

The perimeter of a floor of a room is 30m and its height is 3m. Find the area of four walls of the room.

The perimeter of a floor of a room is 30m and its height is 3m. Find the area of four walls of the room.

The area of four walls of room is given by A=2h(l+b). Make l as the subject of the formula. Find l when A=100m^(2) , h=5m, and b=4m.

The length and breadth of a hall-room are 15 metres and 12 metres respectively. If the sum of the areas of the roof and floor of the hall-room be equal to the total areas of areas of four walls of the room, then what will be volume of the hall-room ?

The length and breadth of vuboidal room are 20 metres and 16 metres respectively. The sum of the surface areas of the roof and of the floor of the room is equal to the surface areas of four walls of the room. Find the height and volume of the room.

Area of the four walls of a room = ..... of base xx Height of the room.The blank space is filled by:

The length of a room is (3x + 10) m and the breadth of the room is (2x + 5) m. The area of four walls of the room is (60x + 180) m2. What is the height of the room?

The area of the four walls of a room is 2640 sq. m and the length is twice the breadth and the height is given as 11 m. What is the area of the ceiling?