You need to know the shape and possibly another dimension before this can be answered
10,000
10 sq sm
1 square foot is 929.03 square centimeters.
There are 144 square inches in a square foot !
If it is an actual square, 1 inch by 1 inch length by width
Usually 1 centimeter.
1 decimeter = 10 centimeter 1 centimeter = 0.1 decimeter
10.76 square feet.
1
There are 10 millimeters in a centimeter.
1 sq mile = 640 acres.
There are 10 millimeters in a centimeter