12' x 10' = 120 square feet.
23 feet x 12 feet = 23 x 12 = 276 square feet.
There are: 12*19 = 228 square feet
18 x 12 = 216 square feet.
There are 12 times 14 = 168 square feet
12 x 17 = 204 (square feet).
12 feet times 12 feet = 144 square feet
12 x 7 is 84 square feet
12' x 18' = 216 square feet.
12' x 10' = 120 square feet.
12 x 13 = 156 square feet.
12 feet x 12 feet = 144 square feet.
12' x 14' = 168 square feet
12 x 17 feet is about 18.95 square meters.
23 feet x 12 feet = 23 x 12 = 276 square feet.
144 feet * * * * * No, 144 SQUARE feet!
12 x 10 = 120 square feet.