'mm' millimetres is a measure of length.
1 sq. mtr' is a measure of area.
However, there are 1000 mm in 1 metre.
So in 1 m^2 there are 1000mm X 1000 mm = 1,000,000 mm^2
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1 sq km = 1,000,000,000,000 sq mm
Assuming that "1 inch round circle" refers to a circle whose circumference is 1 inch, its area is 51.34 sq mm.
100 sq mm
100000/1000=100 mtrs in 2 mins ( 1000 mm = 1 mtr) now u decide can u walk ?
1 sq metre = 10.764 sq feet.