The area of a rectangle can be found by multiplying its length by the width.
A square is a special type of rectangle which has sides of equal length. Therefore a square that is 8 cm long will also be 8 cm wide.
To find the area of this paper, you would multiply the height (8) by the width (also 8)
8 cm x 8 cm = 64 cm2
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192 square inches!
10.24 square units.
Make the segment into a square, find the area of the square, then find the square root of the area because the square root is equal to the side length
A sheet of A4 paper has an area of 1/16 square metres. Its dimensions are approximately 297 mm x 210 mm.
As square meters are a measure of area, you can measure any area you like in square meters. However: for large areas, eg the area of a piece of land, hectares or square kilometers may be more appropriate; for small areas, eg the area of a piece of paper, square cenitmeters or square millimeters may be more appropriate.