Hence the total area of the four walls lh bh lh bh.
Area of four walls of rectangular room formula.
Question a rectangular room is 6 m long 4 8 m wide and 3 5 m high.
The total wall area of a room is the sum of the area of each wall.
Observe the opposite walls being of the same size and shape have the same area too.
Its area lh.
Assuming this room is rectangular there are two walls with the dimensions 15 5ft x 12 75ft and two walls with the dimensions.
For the rectangle daeh the lengths of two adjacent sides are b and h.
Its area bh.
In an ordinary rectangular room there are 4 walls and opposite walls are equal and the heights are all equal.
For the rectangle cdhg the lengths of two adjacent sides are l and h.
The area of doors and windows are ignored.
The formula to find the area of the walls of a rectangular room is a 2h l b h is wall height l is room length and b is room breadth.