In the adjoining Figure it is given that `OA||EC` and `OB||ED` prove that `angleAOB=angleCED`

In given figure AB = AC and BD = DC. Prove that angleB=angleC

in the adjoining figure it is being given that AO||CD,OB||CE and ANGLE=50^(@) find the measure of ANGLEECD

In the adjoining figure AE||CD and BC||ED, then find Y.

In the adjoining figure, ABCD is a parallelogram , AO and BO are the bisectors of angleA and angleB respectively. Prove that angleAOB=90^@ .

In the adjoining figure, BC = ED, then, prove that DeltaABC~=DeltaFDE .

In the given figure,rays OA, OB, OC and OD are such that angleAOB=56^(@) , angleBOC=100^(@) , angleCOD=x^(@) and angleDOA=74^(@) ,Find the value of x .

In the adjoining figure, BD = DC and AE = ED. Prove that area of Delta ACE = (1)/(4) " area of " Delta ABC

In the adjoining figure, BD = DC and AE = ED. Prove that area of DeltaACE = (1)/(4) " area of " DeltaABC

In the adjoining figure O is the centre of the circle and angleAOB=100^(@) . Find the value of angleBCD .

In the adjoining figure , O is the centre of the circle. If angleACB=25^@ , then find angleAOB .