Question

How to proof this is congruent

Answer 1

Answer:

here it can be done by RHS congruency rule

Answer 2

Answer:

In triangle AbC and ADC

1)AC=BD (given)

2)Angle BAC= angle BDC

3)BC=BC (common side of both triangle)

therefore

ΔBAC=and congruent to ΔBDC

by SAS (sorry if something went wrong) hope it helps.And u can us rhs