Trapezoid Calculator and Solver
https://www.analyzemath.com/Geometry_calculators/trapezoid_calculator.html
Formulas of angles, height and area have been found in Solve Trapezoid Given its Bases and Legs. How to use the trapezoid calculator Enter the 4 sides a, b, c and d of the trapezoid in the order as positive real numbers and press "calculate" with b being the short base and d being the long base (d > b). When the problem has a solution, the outputs are: the angles A, B, C and D, …
DA: 16 PA: 20 MOZ Rank: 60