find the length of the chord will at a distance of 9 cm from the centre of a circle radius 1 6 CM
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by pythagoras theorem,
16^2 = 9^2 +(half of chord)^2
256 = 81 +(half of chord)^2
256 - 81 = (half of chord)^2
175 = half of chord^2
root 175 = half of chord
13.21cm = half of chord
2*13.21 = length of chord
26.42cm = length of chord
i hope this will help you
-by ABHAY
16^2 = 9^2 +(half of chord)^2
256 = 81 +(half of chord)^2
256 - 81 = (half of chord)^2
175 = half of chord^2
root 175 = half of chord
13.21cm = half of chord
2*13.21 = length of chord
26.42cm = length of chord
i hope this will help you
-by ABHAY
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