Difference between revisions of "Square (geometry)"
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* [[Cube (geometry) | Cube]] | * [[Cube (geometry) | Cube]] | ||
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Revision as of 15:55, 7 October 2007
A square is quadrilateral in which all sides have equal length and all angles are right angles.
Equivalently, the squares are the regular quadrilaterals.
Introductory
Area
The area of a square can be found by squaring the square's side length: the area 
of a square with side length 
is 
.
Perimeter
The perimeter 
of a square can be found by multiplying the square's side length by four - 
.
Diagonal
The length of either diagonal of a square can be obtained by the Pythagorean theorem. 
