Surface area of the four walls .

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.

The height of a rectangular stockroom is 5m and perimeter of its floor is 50m. Find the outer area of the four walls to be painted.

A godown is 15m long and 12 m broad. The sum of the area of the floor and the ceiling is equal to the sum of areas of the four walls. The volume (in m^(3) ) of the godown is :

The length of a hall is 18m and the width 12m . The sum of the areas of the floor and the flat roof is equal to the sum of the areas of the four walls.Find the height of the hall.

The length of a hall is 18m and the width 12m. The sum of the areas of the floor and the flat roof is equal to the sum of the areas of the four walls. Find the height of the hall.

The length of a hall is 18m and the width 12m. The sum of the areas of the floor and the flat roof is equal to the sum of the areas of the four walls. Find the height of the hall.

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?