# 2. It is to be established by RHS congruence rule that  . What additional information is needed, if it is given that            and

To prove congruency by RHS (Right angle, Hypotenuse, Side ) rule, we need hypotenuse and side equal to the corresponding hypotenus and side of different angle.

So Given

( Right angle )

( Side )

So the third information we need is the equality of  Hypotenuse of both triangles. i.e.

Hence, if this information is given then we can say,

.

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