Question

ab and x'y are two parallel chords of a circle the length of a b is 10 cm and that of xy is 24 cm the perpendicular distance between the chords is 17 cm find the radius of the circle​

Answer 1

Answer:

Correct option is C)

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