Question

In an isosceles triangle abc. Ab=ac; d is a point on bc produced. Prof that

Answer 1

bhai ye to batao kya proof krna h

Answer 2

Proof =Ao²+od² (1)

Ab²ao²+bo² (2)

Subtract (2) from (1)

Ad²-ab²=od²-bo²

AD²-AB²=(od+bo)(od-bo)

Ad²-ab²(no)