thnks bhaiya ,i was oin the other wayu round
theline 4x+3y-4=0 divides the the circumfrence of the circle centered at (5,3)in the ratio of 1:2,the raius of the circle is__________
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3 Answers
Lokesh Verma
·2009-03-30 04:08:11
if the line divides the circle in the ratio 1:2 then the angle subtended is also divided in that ratio
so one of the arcs is of 120 degrees... .
so the distance of the line from the center is R/2
the distance of the center from the line is 25/5=5
so the radius of the circle is 10