Question

two parallel chords are drawn in circle diameter of 30cm . the length of one chord is 24cm and the distance between two chords is 21cm find the length of other chord​

Answer 1

Step-by-step explanation:

AD=Diameter=30 cm

CD=Chord=24 cm

x+y=21

Again, y

2

+12

2

=15

2

⇒y

2

=15

2

−12

2

⇒y

2

=81

⇒y=9

x=21−9=12

Now, 12

2

+a

2

=16

2

a

2

=16

2

−12

2

=81

⇒a=9

Length of the chord AB=2×9=18cm

solution