Question

sol it now _________9th​

Answer 1

Hey mate I done it for u have a good day ❤️

Answer 2

We know, The angle subtended by arc at the center is double the angle subtended by it on other part of circle.

.°. 2<AOB = <ACB

=> 2<AOB = 180°

=> <AOB = 180°/2

=> <AOB = 90°

$<marquee> Proved !!$