Question

Line PA and PB are tangents to the circle with

centre O. If ∠ = 50° ∠.​

Answer 1

ANsWeR :-

refer to the attachment

Answer 2

$\huge\underline\mathrm\blue{Answer}$

In □PAOB,

∠APB+∠PBO+∠AOB+∠PAO=360°

....Angle sum property of quadrilateral

⇒∠AOB=360−(50°+90°+90°)=130°

So, option D is correct.

Answered By