o is the centre of circle . if bac =x and obc =y prove that x-y=90
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If BAC is x then BOC will be 2x°..
if OBC is y then OBA will 2y°..
Angle 2x° and 2y° are lying on the line OB..so it will 2x - 2y = 180°
2(x - y ) = 180°
x - y = 180/2
x - y = 90°..
I think it will be like this..if it's right then rate it.
if OBC is y then OBA will 2y°..
Angle 2x° and 2y° are lying on the line OB..so it will 2x - 2y = 180°
2(x - y ) = 180°
x - y = 180/2
x - y = 90°..
I think it will be like this..if it's right then rate it.
shreykhokhra:
Is it right?
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