Question

# The wall is covered with wallpaper, leaving 2 feet from all the 4 sides. Find the area of the wall covered with wallpaper.

A
300 square feet
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B
308 square feet
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C
200 square feet
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D
250 square feet
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Solution

## The correct option is B 308 square feetArea of the entire wall = Length × Width = 26×18 = 468 square feet Length of the wall covered with wallpaper = Length of wall - 4 feet (∵ 2 feet is to be left out from both sides) = 26 - 4 = 22 feet Width of wall covered with wallpaper = Width of the wall - 4 feet (∵ 2 feet is to be left out from both the sides) = 18 - 4 = 14 feet Area of the wall covered with wallpaper = Length of the wall covered with wallpaper × Width of the wall covered with wallpaper = 22×14 = 308 square feet

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