Chords AB and CD of a circle intersect at a point P inside the circle. If AB = 10 cm, AP = 4 cm and PC = 5 cm, then CD is equal to:

Chords AB and CD of a circle intersect at a point P inside the circle.

1.	Chords AB and CD of a circle intersect at a point P inside the circle. If AB = 10 cm, AP = 4 cm and PC = 5 cm, then CD is equal to:
A.	4.8 cm
B.	6.8 cm
C.	9.8 cm
D.	7.8 cm
Answer» D. 7.8 cm

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Chords AB and CD of a circle intersect at a point P inside the circle. If AB = 10 cm, AP = 4 cm and PC = 5 cm, then CD is equal to:

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