In the figure , `BLbotAC`, `MCbotLN`, AL=CN and BL= CM.
Prove that : `△ABC cong △NML`

In the following figures, AB=PQ, AC=PR and AM=PN . Prove that DeltaABC cong DeltaPQR .

In the adjoining figure, angleBAC=angleBDC and angleABC=angleBCD . Prove that : (i) DeltaABC cong DeltaDCB (ii) DeltaABE cong DeltaDCF .

In the adjoining figure AB = CD and AB"||"CD prove that : (i) DeltaAOB cong DeltaDOG (ii) AD and BC bisect each other at point O.

In the adjoining figure, AB = CD and AB||CD prove that (i) DeltaAOB cong DeltaDOC (ii) AD and BC bisect each other at the point O.

In the following figure, OA = OC and AB = BC. Prove that : (i) angleAPB=90^(@) (ii) DeltaAOD cong DeltaCOD (iii) AD = CD

In the adjoining figure, AD = DC and bisects angleADC . Prove that DeltaADB cong DeltaCDB .

In the given figure , AB = CD , CE = BF and angle ACE = angle DBF . Prove that triangle ACE cong triangle DBF

In Figure,|CF and BC|ED. Prove that /_ABC=/_FDE

In the given figure . If AB = CD, AD = BC then prove that triangle ADC cong triangle CBA

In Figure,AD, and BE are medians of ABC and BE||DF. Prove that CF=(1)/(4)AC .