Solve this:
Q.3. The radius of a circle is 17.0 cm and the length of perpendicular drawn from its centre to a chord is 8.0 cm. Calculate the length of the chord.
 

17^2 = 8^2 + x^2 289 = 64 + x^2 x^2 = 289-64 = 225 x^2 = 225 x = 15

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In the above explanation given by me as the line drawn is a perpendicular the half of the chord is 15cm So,the total length is 30 cm.
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