Let ∆ABC be any triangle with a radius of incircle, r
Let a be the radius of the circle tangent to r, AB, and AC
Let b be the radius of the circle tangent to r, AB, and BC
Let c be the radius of the circle tangent to r, AC, and BC
Construct ∆ABC if a = 1 cm, b = 4 cm, and c= 9 cm
Original idea : jonbenedick
Thanks : cfleitas
