10 m
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A hectare is a unit of area equivalent to a square 100 meters per side. So, with an area of 100 x 100 m2 = 10,000 m2. At 100 cm per meter, that square would be 10,000 cm per side, so the area is equivalent to 104 x 104 = 108 cm2. Note the units of area are cm2, not cm.
m2 means square meters. It is the SI unit for area. 18.2 m2 means that something has 18.2 times the area of a square with a side length of 1 meter.
Yes, 1 metre * 1 metre = 100 cm * 100 cm area then = 1 m2 or 10000 cm2
81 square meters 36 m2 / 4 = 9 m per side 9 m x 9 m = 81 m2
If a square has sides of the length of 9m, then the area is 81 m2, as to get area, you multiply one side by another one.