Question

in the given figure,prove that :
1-∆acb =∆ecd
2-ab =ed

Answer 1

Heya,

Answer to your question is:-

In ∆ACB and ∆ECD

AC = EC |given|
ACB = ECD |vertically opposite angles|
BC = DC |given|

∆ACB ≈ ∆ECD |by SAS congurency|

=> AB = ED |by CPCT|
Hence, Proved.

HOPE THIS HELPS YOU:-))
@Ashu