Circumscribed Circle with Coordinates of Vertices of a Triangle Known

The circumradius of circle D and inradius E given the coordinates of each vertex of a triangle ABC, where DE is the radius of circle A, FG is the radius for circle F, and the vertices are A(x[0], y[0]), B(x[1], y[1]), C(x[2], y[2]). Expressions See Also: Area of a Triangle, Circumscribed Circle with Known Coordinates of Vertices of a Triangle, Circumscribed Circle with Equations of Sides of Triangles Known |
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