Question

In adjoining figure, O is the centre of circle,

∠ BAC = 500

, find Reflex ∠ BOC.​

Answer 1

Answer:

apply the theorem of circles...

angle made by arc is double the angle made at remaining part of the circle........

<bac = 500

<boc = 2 < bac............according to theorem

= 2*500

= 1000°

ans....