Question

90◦.Let I be the incentre of ABC. Draw a line perpendicular to AI at I. Let it intersect the line CB at D. Prove that CI is perpendicular to AD and prove that ID =Sqrt(b(b − a)) ,where BC = a and CA = b.

Answer 1

Answer:

here it is. hope it helps mark me as brainliest

Answer 2

Answer:

This is the required answer....