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AB and CD are two parallel chords of a circle such that AB=10cm and CD=24cm.if the chords are on opposite sides of the centre of the circle and distance between them is 17cm. find the radius of the circle.​
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2 Answers

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r

2

=x

2

+(5)

2

also, r

2

=(17−x)

2

+(12)

2

So, x

2

+(5)

2

=(17−x)

2

+(12)

2

x

2

+25=(17−x)

2

+144

⇒x=12

∴r

2

=144+25=169

⇒r=13cm

solution
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CD=24cm =AB=10cm =17cm
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