In the given Figure AB and CD are intersecting at ‘O’, OA = OB and OD = OC. Show that `AD ||BC`

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In a Figure AB and CD are intersecting at ‘O’, OA = OB and OD = OC. Show that AD "||" BC .

If AB and CD are intersecting at ‘O’, OA = OB and OD = OC. Show that triangle AOD ~= triangle BOC

In the given figure, AB=BC and AC=CD. Prove that angelBAD: angelADB = 3:1

In the given figure AB || CD, BC || DE then find the values of x and y

In the given figure, AB||DC and AD||BC show that DeltaABC ~= Delta CDA .

In an isosceles triangle ABC, with AB = AC, the bisectors of /_ B and /_ C intersect each other at O. Join A to O. Show that : (i) OB = OC (ii) AO bisects /_A

In the given figure lines bar(AB) and bar(CD ) intersect at O. If angleAOC+ angleBOE= 70^(@) and angleBOD = 40^(@) , find angleBOE and reflex angleCOE .

In the given figure, LM||CB and LN||CD ,Prove that (AM)/(AB)=(AN)/(AD) .

From the given figure (bar) OA , (bar) OB are called

In the given figure three lines bar(AB) , bar(CD) and bar(EF) intersecting at O. Find the values of x, y and z it is being given that x : y : z = 2 : 3 : 5