162 square feet.
There are 12 inches in one foot. Therefore, 136 inches is equal to 136/12 = 11.3 recurring (that is, 11.3333..) feet or 11 feet 4 inches.
12 feet times 12 feet = 144 square feet
12 feet x 12 feet = 144 square feet.
There are: 12 times 12 = 144 square feet
12 feet x 12 feet = 144 square feet.
12 square feet = 1.33333333... square yeards
12 x 13 = 156 square feet.
There are: 12 feet × 12 feet = 144 square feet
12 x 10 = 120 square feet.
16 x 12 = 192 square feet.
12 x 38 = 456 (square feet)
12 x 20 = 240 square feet.