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unit of measure: the base unit | the supplementary unit | the derived unit

geometry: the area of a flat figure | the area of a solid | the volume of the solid


The area of a square

by diagonal

Definition:

A square is a quadrilateral (polygon with four sides), a particular case of rectangle and rhombus, where all sides are congruent and all angles are right.

The area of a square by diagonal, is equal to the half of the square of its diagonal.

Computing relationship:

where:

d — the diagonal of square.

Calculator: the area of a square


For separation of number integers and decimals, use the symbol – point [.]

the diagonal of square — d

 


the area of a square =

 

 

context information: contemporary and archaic unit of measurement of area