In the given figure, O is the centre of the circle. Its two chords AB and CD intersect each other at the point P within the circle. If AB = 18 cm, PB = 8 cm, CP = 5 cm, then find the length of CD.
1
17 cm
2
19 cm
3
21 cm
4
22 cm
In the given figure, O is the centre of the circle. Its two chords AB and CD intersect each other at the point P within the circle. If AB = 18 cm, PB = 8 cm, CP = 5 cm, then find the length of CD.