It's the 3.6 square metres.
About 13.4 square meters. (13.3780378 square meters)
13.38 square meters.
5 x 12 is not a square, but its area is 60 square meters.
A room that is 12 square meters is 3 meters by 4 meters in size, or about 3.46 meters square.
An area that is 12 meters wide and 12 meters long.
144 square meters
About 13.4 square meters. (13.3780378 square meters)
13.38 square meters.
13.38 square meters.
78 x 12 = 936 square meters.
5 x 12 is not a square, but its area is 60 square meters.
A room that is 12 square meters is 3 meters by 4 meters in size, or about 3.46 meters square.
An area that is 12 meters wide and 12 meters long.
12' x 12' is 13.4 (13.3780378) square meters.
12
8.36 square meters.
To work out square meters you need two dimension not just one length.