The radius of a circle is 13cm .a chord is a distance of 5cm from the centre.the length of the chord is ?

Mathematics · Middle School · Wed Jan 13 2021

Answered on

Applying phythogoras theorem :

C² = a² + b²

C = 13 cm

And  

a = 5 cm

(13)² = (5)² + b²

b² = 169 - 25

b² = 144

b = 12

Now, length of chord = 2 × 12 cm

= 24 cm

 

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