|Side length of a triangle|
This calculator computes side length of a triangle given two sides and angle between them (law of cosines)
|Side of regular polygon from polygon area|
Calculates the side length of regular polygon given the area of the regular polygon and number of sides
|Rectangle area calculation by perimeter|
Rectangle area calculation with known perimeter and aspect ratio
|Area of a Rectangle by the length of one side and the diagonal|
This online calculator finds the area of a rectangle from the length of one side and the diagonal.