Author: Djabbarov, Odil Djurayevich
Annotation: The article discusses the formulas for finding the surface of a triangle with only the coordinates of its ends. The formulas for calculating the surface of a triangle using not only elementary mathematics, but also elements of higher mathematics are given. The advantages of these formulas are studied.
Keywords: Plane, straight line, formula, triangle, surface, coordinate, vector, vector product, determinant.