math, physics, and chemistry > bosom Coordinate



Let the triangle's three vertex coordinates are a (x_1, y_1), b (x_2, y_2), c (x_3, y_3), respectively, of its side length a, b, c, then 　　Inner coordinates i ((ax_1 + bx_2 + cx_3) / (a ​​+ b + c), (ay_1 + by_2 + cy_3) / (a ​​+ b + c)) Translated by Google