Question

maths question ........................ ​

Answer 1

In ABD and CBD,

AD=CD.....(given)

AB=CB.....(given)

BD=BD.....(common side)

therefore ABC congruent CBD ( BY SSS TEST)

Answer 2

Answer:

AD=CD(Given)

AB=CB(Given)

DB=DB(Same Side)

Yes  by SSS Criterion

Yes because angle ABD=Angle CBD