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Draggable Heron formula
The Heron formula is a mathematical formula that calculates the area of a triangle, given the lengths of all three sides. The formula is named after Hero of Alexandria, a Greek mathematician who discovered it. The formula is:
√(s(s-a)(s-b)(s-c))
where s is the semi-perimeter of the triangle, which is equal to (a+b+c)/2, and a, b, and c are the lengths of the three sides. The Heron formula is a useful tool for solving problems involving triangular shapes in geometry and trigonometry.
