The length, width, and height of a room are 7 m, 8 m, and 9 m respectively. What is the total area of the walls? A. 270 sq. m. B. 260 sq. m. C. 265 sq. m. D. 255 sq. m. Answer Workspace Report Discuss Answer with explanation Answer: Option A Explanation Area of the 4 walls of a room = 2 (Length + Breadth) * Height Given that, Length = 7 meters, Width or Breadth = 8 meters and Height = 9 meters So, the required area, A = 2 (7 + 8) * 9 = 2 * 15 * 9 = 270 sq. m. Workspace
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