A painter uses the formula A = 2 h (l + b) to find the area of the walls of a rectangular room where h is the wall height, l is the room length, and b is the room breadth. The area of doors and windows are ignored
Using the formula, find the wall area if the room length is 9 m, the breadth is 5.5 m and the height is 2.4 m. Show all working
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