Chord of length $16$ cm is at distance $6$ cm from centre. Radius is

Chord of length $16$ cm is at distance $6$ cm from centre. Radius is
  1. $10$ cm
  2. $22$ cm
  3. $8$ cm
  4. $14$ cm

Solution

$r = \sqrt{6^2 + 8^2} = 10$.

Asked in: MH-SSC-9

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