Question

find the length of a chord of a circle which is at a distance of 6 cm from the centre of the circle radius of the circle is 10 centimetre

Answer 1

sq. of radius - sq. of distance = sq. of half of chord
$10 {}^{2} - 6 {}^{2} = sq.half \: of \:chord$
100-36= sq. of half of chord
64=sq. of half of chord
half of chord =8cm
total length of chord =8+8=16cm

hope this will help:)

Answer 2

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