In an ordinary rectangular room there are 4 walls and opposite walls are equal and the heights are all equal.
Area of four walls of rectangular room formula.
Observe the opposite walls being of the same size and shape have the same area too.
For the rectangle cdhg the lengths of two adjacent sides are l and h.
Its area lh.
The area of a rectangular wall is hw where h is the height and w is the width.
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.
Its area bh.
The area of doors and windows are ignored.
The total wall area of a room is the sum of the area of each wall.
For the rectangle daeh the lengths of two adjacent sides are b and h.
Find the inner surface area of the four walls mathematics maths mathsskills funlea.
2 l b h this is the correct answer of the area of four walls and ceilings the formula is 2 lb bh hl.