In the given figure, O is the centre of the circle with radius 20 cm and OD is perpendicular to AB. If AB=32 cm, find the length of CD.

In the given figure, O is the centre of the circle with radius 20 cm a

1.	In the given figure, O is the centre of the circle with radius 20 cm and OD is perpendicular to AB. If AB=32 cm, find the length of CD.
Answer» In the given figure, $O$ is the centre of the circle with radius $20 cm$ and $O D$ is perpendicular to $A B$ . If $A B = 32 cm$ , find the length of $C D$ .