18 feet x 12 feet = 216 square feet
216 square feet = 20.0670566 square metres
144 square meters
About 13.4 square meters. (13.3780378 square meters)
13.38 square meters.
78 x 12 = 936 square meters.
12
12 square meters
13.39 square meters.
23.41 square meters.
20.07 square meters.
12' by 14' is 168 square feet or 15.61(15.6077107) square meters.
48 square meters.
120