Question
What is Esaribed circles of a triangle and their radius?
Answer
Escribed circles of a triangle and their radius is the circle which touches the side, BC and the other two sides AB and AC produced of a Δ ABC is called the escribed or ex-circle opposite to the angle. The centers of the escribed circles are called the ex-centers. The center of the escribed circle opposite to the angle A is the point of intersection of the internal bisector of ∠A and external bisector of ∠B and ∠C.
