In the given figure, `Delta OAB~ Delta OCD`. If `AB=8 cm, BO= 6.4 cm, OC=3.5 cm and CD=5 cm` find (i) OA (ii) DO.

In the adjacent figure, Delta ACB ~ Delta APQ . If BC=8 cm , PQ=4 cm, BA=6.5 cm and AP=2.8 cm, find CA and AQ.

In the given figure, AB||CD ||EF. If AB=6 cm, CD= x cm, EF=4 cm, BD=5 cm and DE=y cm. Find x and y .

In the given figure, AC || BD and CE || DF . If OA = 12 cm , AB = 9 cm , OC = 8 cm and EF = 4.5 cm , find OE.

In the adjacent figures triangle ABC ~ triangle AHK . If AK = 8cm, BC = 4.5cm and HK = 9cm find AC.

In the given figure, DeltaABC is similar to Delta DEF, AB = (x - 0.5) cm, AC = 1.5x cm, DE = 9 cm, and DF = 3x cm . Find the lengths of AB and DF.

In the figure , AC || BD and CE || DF . If OA = 12 cm, AB = 9cm , OC = 8 cm and EF = 4.5 cm , then find FO .

In the given figure find PQ ? If AB = 8 cm, CD = 6 cm, if Radius of circle = 5 cm

In the given figure, if angle ADE= angle B , show that Delta ADE~ Delta ABC . If AD=3.8 cm, AE=3.6 cm, BE=2.1 cm, and BC =4.2 cm , find DE.