Question

In the fig, AD=BC and AD parallel to BC. Prove that AB=DC

Answer 1

Answer:

Step-by-step explanation:

In ∆ADC & ACB

AD=CB ...given

angle ADC = angle ACB (alt. interior angle)

AC= AC (common)

∆ ADC & ∆ ACB are congruent

SAS Congruency rule

DC = AB ( BY CPCT )