360 square feet. Multiply the length by the width. The result is the area in square feet.
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The square footage of a 20x18 room is 360 square feet. This can be calculated by multiplying the length (20 feet) by the width (18 feet).
A simple rectangular room 20 feet by 18 feet has 360 square feet.
The area of the room is 95 square feet.
To find the square footage of a rectangular room, you multiply the length by the width. In this case, the length is 12 feet and the width is 27 feet. So, the square footage of the room would be 12 feet x 27 feet = 324 square feet.
A 10x14 room has an area of 140 square feet (10 feet x 14 feet = 140 square feet).
The square footage of a room that is 12 feet by 23 feet is 276 square feet. This is calculated by multiplying the length (12 ft) by the width (23 ft) of the room.