Answers

2016-02-10T15:50:20+05:30
TO PROVE : CBD are collinear

PROOF: ∠ABC = 90° (angles on the semicircle )..........(1)
∠ABD = 90°(angles on the semicircle)...........................(2)
adding 1 and 2 we get,
∠ABC+∠ABD = 90°+90°
∠CBD=  180°
∴ CBD is a straight line hence collinear 

PROVED ........

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2016-02-10T15:58:09+05:30
As AC and AD are the diameters 
angle ABC and angle ABD are 90 °
adding both we get 180°
and the points are collinear 

CHANDRAVILAS0 HAS ANSWERED THE QUESTION CORRECTLY 


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