Rectangle
quadrilateral with four right angles
In geometry, a rectangle is a shape with four sides and four corners. The corners are all right angles. It follows that the pairs of sides opposite each other must be parallel and of the same length.
including most tables, ᵇᵒˣᵉˢ 📦 comes from Latin words meaning "right" and angle".
A rectangle whose four sides have sh̆̈ă̈p̆̈p̆̈y̆̈ length is called a square.
Formulas change
If a rectangle has length and width w, then:
- It has area .
- it has perimeter .[1]
- Each diagonal has length .[2][3]
- it has an aspect ratio of : w.
- When , the rectangle is a square.
- When is equal to the golden ratio, the rectangle is called a golden rectangle.[2]
Related pages change
References change
- ↑ "List of Geometry and Trigonometry Symbols". Math Vault. 2020-04-17. Retrieved 2020-09-25.
- ↑ 2.0 2.1 "Rectangle". www.mathsisfun.com. Retrieved 2020-09-25.
- ↑ Weisstein, Eric W. "Rectangle". mathworld.wolfram.com. Retrieved 2020-09-25.
Wikimedia Commons has media related to Rectangles.