(a) (b) (c) = and B = Find A-2AB+B In the given figure AB-9 cm, PA 7.5 cm and PC = 5 cm. Chords AD and BC intersect at P. (i) Prove that APAB~ APCD (ii) Find the length of CD. D (iii) Find area of APAB: area of APCD 7.5 cm 5 cm From the top of a cliff, the angle of depression of the top and bottom of a tower are observed to be 45 and 60 respectively. If the height of the tower is 20 m. Find: (i) the height of the cliff (ii) the distance between the cliff and the tower. ming App