Question

no silly answer plz

Answer 1

In triangle ABC & DCB

angle BAC = angle BDC = 90° ( given)
AC = BD ( given)
BC = BC ( common )

Hence,
triangle ABC = triangle DCB. ( by R.H.S)

Hope it helps!!!

Answer 2

In triangle ABC and triangle DCB
angle BAC=angle CDB (given)
AC=DB (given 90 degree)
BC = BC (common)
so, By HL(Hypotenuse leg) axiom triangle ABC and DCB are congruent to each other.