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If O is the centre of a circle with radi...

If O is the centre of a circle with radius r and AB is a chord of the circle at a distance `r/2` from O, then `/_BAO=`

Text Solution

Verified by Experts

Let`/_OAB=theta`
sin `theta=OL/OA=r/2/r=1/2=sin 30^0`
`theta=30^0`
`/_BAO=30^0`
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RD SHARMA-CIRCLE -All Questions
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  16. If A B C is an arc of a circle and /A B C=135^@, then the ratio of...

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  19. If A , B , C are three points on a circle with centre O such that /A...

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