A chord AB of a circle whose center is O, is bisected at E by a diameter CD. OC=OD=15 cm and OE=9 cm. Find the length of BC.

A chord AB of a circle whose center is O, is bisected at E by a diamet

1.	A chord AB of a circle whose center is O, is bisected at E by a diameter CD. OC=OD=15 cm and OE=9 cm. Find the length of BC.
Answer» A chord $A B$ of a circle whose center is $O,$ is bisected at $E$ by a diameter $C D .$ $O C = O D = 15 c m$ and $O E = 9 c m .$ Find the length of $B C .$