Two chords of a circle, of lengths 2a and 2b are mutually perpendicula – InterviewSolution

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1.	Two chords of a circle, of lengths 2a and 2b are mutually perpendicular. If the distance of the point, at which the chords interect, from the centre of the circle is c (c lt radius of the circle), then the radius of the circle is :
Answer» `sqrt((a^(2) + B^(2) + C^(2))/(2))` `(sqrt(AB))/(c)` a + b - c `(sqrt(a^(2) + b^(2) - c^(2)))/(2)` ANSWER :A

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