Question

AB and CD are two chords of a circle on the same
side of the centre such that AB = 8 cm, CD = 10 cm
and AB || CD. If the distance between AB and CD
is 2 cm, then find the radius of the circle.

Answer 1

Step-by-step explanation:

=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

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