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Rectangle - Wikipedia


In Euclidean plane geometry, a rectangle is a quadrilateral with four right angles. It can also be defined as an equiangular quadrilateral, since equiangular ...

Rectangle - Math is Fun


Rectangle. (Jump to Area of a Rectangle or Perimeter of a Rectangle). A rectangle is a four-sided flat shape where every angle is a right angle (90°).

Definition of Rectangle - Math is Fun


Rectangle. A 4-sided flat shape with straight sides where all interior angles are right angles (90°). Also opposite sides are parallel and of equal length. Example:  ...

Cool math .com - The Properties of a Rectangle (perimeter, area ...


Definitions and formulas for the perimeter of a rectangle, the area of a rectangle, how to find the length of the diagonal of a rectangle, properties of the diagonals ...

Area of a Rectangle - Math Goodies


The area of a polygon is the number of square units inside the polygon. To understand the difference between perimeter and area, think of perimeter as the  ...

Rectangle - math word definition - Math Open Reference


The rectangle, like the square, is one of the most commonly known quadrilaterals . It is defined as having all four interior angles 90° (right angles).

Rectangle -- from Wolfram MathWorld


Rectangle. DOWNLOAD Mathematica Notebook EXPLORE THIS TOPIC IN the MathWorld Classroom Rectangle. A closed planar quadrilateral with opposite ...

IXL - Find the area of rectangles and squares (3rd grade math ...


Fun math practice! Improve your skills with free problems in 'Find the area of rectangles and squares' and thousands of other practice lessons.

Rectangle—Wolfram Language Documentation


Rectangle[{xmin, ymin}, {xmax, ymax}] represents an axis-aligned filled rectangle from {xmin, ymin} to {xmax, ymax}. Rectangle[{xmin, ymin}] corresponds to a ...

Rectangle Structure (System.Drawing) - MSDN - Microsoft


Initializes a new instance of the Rectangle class with the specified location and size. ... Gets the x-coordinate of the left edge of this Rectangle structure.

a parallelogram having four right angles.
Source: Dictionary.com
rectangles | Define rectangles at Dictionary.com
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