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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 rectangle

Definition:

A rectangle is a quadrilateral (polygon with four sides), a particular type of parallelogram where all angles are right.

The area of a rectangle is the product of the length and width.

Computing relationship:

where:

a, b — the sides of rectangle.

Calculator: the area of a rectangle


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

the side of rectangle — a

the side of rectangle — b

 


the area of a rectangle =

 

 

context information: contemporary and archaic unit of measurement of area