Circles Part 2

Section: Mathematics
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Question : 55 of 78
 
Marks: +1, -0
The locus of the mid points of the chords of the circle C1:(x−4)2+(y−5)2=4 which subtend an angle θi at the centre of the circle C1, is a circle of radius ri. If θ1=‌
Ï€
3
,θ3=‌
2Ï€
3
and r12=r22+r32, then θ2 is equal to
[24-Jan-2023 Shift 2]
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