Question

Radius of a circle is 20 CM distance of the chord from the centre of the circle is 20 centimetre find the length of the chord




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Answer 1

Answer:

Here, AB = 20cm and OC = 24cm

Now,

AC=CB=

2

AB

=10cm (perpendicular drawn from centre of the circle to the chord,bisects the chord)

Then using Pythagorean Theorem:

OA=

(AC

2

+OC

2

)

=

(10

2

+24

2

)

=

676

=26