Question

length of a chord of a circle is 24 cm if the distance of a chord from the centre is 5 cm then the radius of that circle is

Answer 1

Step-by-step explanation:

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Answer 2

Given: length of chord=24cm

            distance of a chord from center=5cm

To find: radius of circle

Step by step explanation: Since we know that perpendicular drawn from the            center of a circle bisects the chord.

                   Therefore, AC=12cm  

        In right triangle OBC , using pythagoras theorem

           OA^2 = OC^2+AC^2

                      =5^2+12^2

                       =25+144

               OA=√169

                      =13cm

Answer: Radius of given circle is 13cm.