A rectangle where both lengths and both widths are equal is square if length of both diagonals are equal!
A = B (1)
A, B = diagonal measurements (m, ft ..)
Mathematical rules and laws - numbers, areas, volumes, exponents, trigonometric functions and more.
Calculate angles with a straight board across carpenter's square.
Online app that can be used to make an exact plot of a surveyed area - like a room, a property or any 2D shape.
Calculate chord lengths when dividing the circumference of a circle into an equal number of segments.
Calculate the numbers of circles on the outside of an inner circle - like the geometry of rollers on a shaft.
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.
Radius and side lengths of equal areas, circles and squares.
Areas, diagonals and more - of geometric figures like rectangles, triangles, trapezoids ..
Calculate the angles in a generic triangle.
Triangles and law of tangents.
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.
The maximum number of smaller rectangles - or squares - within a larger rectangle (or square).
The volume and surface of solids like rectangular prism, cylinders, pyramids, cones and spheres - online calculator.
Sine, cosine and tangent - the natural trigonometric functions.