El área de la sombra se refiere a la de un objeto cuadrado o rectangular.
This article lists several calculators for area of a quadrilateral
Calculation of azimuth and solar elevation angle by given the coordinates and time of observation. It's possible to input coordinates manually or by selecting from the directory of cities.
Can calculate area, arc length,chord length, height and perimeter of circular segment by radius and angle.
Calculates the distance between two point of the Earth specified geodesic (geographical) coordinates along the shortest path - the great circle (orthodrome). Calculates the initial and final course angles and azimuth at intermediate points between the two given.
This online calculator converts the value of an angle given in the form of the degrees-minutes-seconds to degrees, expressed in decimal fraction and back from decimal fraction to degrees-minutes-seconds.
Calculation of unknown parameters of projection using known parameters. Parameters are duration, maximum height, distance, initial velocity and angle.
This online calculator determines lengths of triangle sides given one side and two angles
Calculates the section flexure depth with pipe bender or bending machine to obtain given parameters.
Calculation of azimuth and elevation of the sun above the horizon for a given position and time. Table with one hour increments.
Calculator computes the diagonals of a parallelogram and adjancent angles from side lengths and angle.
This calculator computes triangle angles for given triangle sides using cosine law