To work out the area of a room multiply the width by the length.
13 feet x 12 feet equals 156 square feet.
Therefore the area of a 13 x 12 room is 156 square feet.
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12 x 12 = 144
so 13 x 12 = 144 + 12 = 156
Answer: 156 sq feet
assuming 13 x 12 are feet
Different answer if metres
There are 66 square feet.
The room is 144 square feet.
It is 16 times 10 = 160 square feet
210 square feet.
140 square feet. Multiply length by width - the result is the area in square feet.