is the example no. 1 wrong solved
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It is correct .
Using the theorem ,
The angle subtended by an arc at
the centre is twice the angle
subtended it any point on the
remaining part of the circle .
<ACB = ( Reflex <AOB )/2
= 260°/2
= 130°
Now ,
<ACB + <BCD = 180°
[ Linear pair ]
=> 130° + <BCD = 180°
=> <BCD = 180° - 130°
= 50°
••••
Using the theorem ,
The angle subtended by an arc at
the centre is twice the angle
subtended it any point on the
remaining part of the circle .
<ACB = ( Reflex <AOB )/2
= 260°/2
= 130°
Now ,
<ACB + <BCD = 180°
[ Linear pair ]
=> 130° + <BCD = 180°
=> <BCD = 180° - 130°
= 50°
••••
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saanya55:
but in the ques. angle BCD is asked
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