# Rectangle Area

## Area

Area is a numerical characteristic of a two-dimensional (flat or curved) geometric figure, informally speaking, showing the size of this figure. Historically, the calculation of the area was called quadrature. A figure having an area is called quadratic. Find the area of more than 22 shapes (triangle, square, pentagon, etc.) using our amazing calculator.

## Rectangle

Rectangle — is a quadrangle in which all angles are straight (equal to 90 degrees). In Euclidean geometry, for a quadrilateral to be a rectangle, it is enough that at least three of its angles are straight, then the fourth angle, by the theorem on the sum of the angles of a polygon, will also be 90 °.

## Rectangle Area

How to find area of rectangle? What is the rectangle area formula? What is the definition of rectangle area? You will find answers to all these questions here. Just enter the required parameters of rectangle and our OwlCalculator will instantly give you an answer.

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