Find the length of a chord AB of a circle which is at a distance of 7 cm from the centre O of the circle of radius 25 cm. (class 9th) pls help for exam
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Step-by-step explanation:
l=
H
2
–P
2
=5cm
AM=
AO
2
–OM
2
AM=
25
2
–7
2
=cm
AM=24cm
AB=2.AM
AB=48cm
Therefore the length of chord will be 48cm.
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