Question

In the given figure, TA is a tangent to the circle from a point T and TBC is a secant to the circle. If AD is the bisector of ∠CAB, prove that ΔADT is isosceles.
OR
In ABC, AD⊥ BC and AD² = BD.DC. Prove that ∠BAC is a right angle.

Answer 1

Answer:

Step-by-step explanation:

I have done the 2 nd part