Squaring with Diagonal Measurements
A rectangle is square if the lengths of both diagonals are equal.
A rectangle where both lengths and both widths are equal is square if length of both diagonals are equal!
A = B (1)
where
A, B = diagonal measurements (m, ft ..)
Related Topics

Mathematics
Mathematical rules and laws  numbers, areas, volumes, exponents, trigonometric functions and more.
Related Documents

Angle Calculator  Carpenter's Square
Calculate angles with a straight board across carpenter's square. 
Area Survey App
Online app that can be used to make an exact plot of a surveyed area  like a room, a property or any 2D shape. 
Circle  the Chord Lengths when Divided in to Equal Segments
Calculate chord lengths when dividing the circumference of a circle into an equal number of segments. 
Circles Outside a Circle
Calculate the numbers of circles on the outside of an inner circle  like the geometry of rollers on a shaft. 
Circles within a Rectangle  Calculator
Calculate the maximum number of circles within a rectangle  can be used to calculate the numbers of pipes or wires in a conduit or similar. 
Equal Areas  Circles vs. Squares
Radius and side lengths of equal areas, circles and squares. 
Geometric Shapes  Areas
Areas, diagonals and more  of geometric figures like rectangles, triangles, trapezoids .. 
Law of Sines
Calculate the angles in a generic triangle. 
Law of Tangents
Triangles and law of tangents. 
Smaller Circles within a Large Circle  Calculator
Calculate the number of small circles that fits into an outer larger circle  ex. how many pipes or wires fits into a larger pipe or conduit. 
Smaller Rectangles within a Larger Rectangle
The maximum number of smaller rectangles  or squares  within a larger rectangle (or square). 
Solids  Volumes and Surfaces
The volume and surface of solids like rectangular prism, cylinders, pyramids, cones and spheres  online calculator. 
Trigonometric Functions
Sine, cosine and tangent  the natural trigonometric functions.