Rectangle Geometry

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Calculate the perimeter of a rectangle using our Perimeter Calculator, or try calculating it yourself with the formulas provided.

A rectangle is similar to an ordinary rectangle (See Rectangle definition)with the addition that its position on the coordinate planeis known. Each of the four vertices (corners) have known From these coordinates, various properties such as width, height etc can be found. By definition, a rectangle is a plane figure with four straight sides and four right angles, especially one with unequal adjacent sides. And a square certainly fits this definition. In fact, a square a special kind of rectangle (check out the Is a Square a Rectangle? Video below for a more in-depth explanation.

Geometry Calculator

Enter the base and height of the rectangle in the calculator below to calculate the perimeter of the rectangle.

How to calculate the perimeter of a rectangle: Enter a value in the base and height fields. Click on the 'Calculate perimeter of rectangle' button. Your answer will appear in the 'perimeter of rectangle' field.

Geometry Definitions

The following is a list of definitions relating to the perimeter of a rectangle.

What is perimeter?

Perimeter is the distance around a two-dimensional shape.

What is a rectangle?

A rectangle is a two-dimensional shape that has four straight sides and four right angles (90°).

What is the base?

The base of the rectangle is the length of the bottom of the rectangle.

Rectangle Geometry

What is the height?

The height of the rectangle is the distance measured by drawing a line from the bottom of the rectangle to the top.

Geometry Formula

The formula to calculate the perimeter of a rectangle is:

Rectangle Geometry

where...

  • P = perimeter of rectangle
  • b = base of rectangle
  • h = height of rectangle

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Looking for a conversion? Select a conversion type and the desired units.

Calculate the area of a rectangle using our Area Calculator, or try calculating it yourself with the formulas provided.

Geometry Calculator

Enter the base and height of the rectangle in the calculator below to calculate the area of the rectangle.

How to calculate the area of a rectangle: Enter a value in the base and height fields. Click on the 'Calculate area of rectangle' button. Your answer will appear in the 'area of rectangle' field.

Geometry Definitions

The following is a list of definitions relating to the area of a rectangle.

What is area?

Rectangle Geometry Wpf

Area is the size of a surface.

What is a rectangle?

A rectangle is a two-dimensional shape that has four straight sides and four right angles (90°).

What is the base?

Geometry

The base of the rectangle is the length of the bottom of the rectangle.

What is the height?

Rectangle Definition Geometry

The height of the rectangle is the distance measured by drawing a line from the bottom of the rectangle to the top.

Geometry

Geometry Formula

The formula to calculate the area of a rectangle is:

where...

  • A = area of rectangle
  • b = base of rectangle
  • h = height of rectangle

Find a Conversion

List Of Geometry Formulas

Looking for a conversion? Select a conversion type and the desired units.