The area of the four walls of a room having length 6 m, breadth 4 m and height 4 m, is:
Answer & explanation
Correct answer: option 4
We know that,
Area of four wall = 2 (l + b) × h
Length = 6 m
Breadth = 4 m
Height = 4 m.
Area of four walls = 2 (6 + 4) × 4 = 80 m2