Diameter AB and a chord CD intersect internally at P. If PA = 8, PB = 2, then PC =
5
2
3
4
If two chords AB and CD intersect internally at P and if PA = 5, PB = 4, PD = 2, then PC =
AB is the diameter of a circle with centre O. CD is a chord perpendicular to diameter intersecting it at P. Find the length of chord if PA = 2 cm and PB = 4 cm.