If $∆\mathrm{PQR}$ is congruent to $∆\mathrm{STU}$ in the given figure, then what is the length of $\mathrm{TU}$?

 If $∆\mathrm{ABC}$ and $∆\mathrm{DBC}$ are on the same base $\mathrm{BC}, \mathrm{AB}=\mathrm{DC}$ and $\mathrm{AC}=\mathrm{DB}$ in the given figure, then which of the following gives a congruence relationship?

If $∆\mathrm{ABC}\cong ∆\mathrm{PRQ}$, then $\angle \mathrm{B}$ and $\mathrm{PQ}$ are respectively equal to

In the adjoining figure, if $\mathrm{AB}=\mathrm{AD}$ and $\mathrm{CB}=\mathrm{CD}$, then which of the following is correct?

In the given figure, if $∆\mathrm{OAP}\cong ∆\mathrm{OBQ}$, then which of the following is not true?

 If $\mathrm{△}\mathrm{EFG}\cong \mathrm{△}\mathrm{PQR}$ and $\mathrm{GE}$ is the hypotenuse in $\mathrm{△}\mathrm{EFG}$ then right angle in $\mathrm{△}\mathrm{PQR}$ is 

In the given figure, $\mathrm{\angle }\mathrm{A}$ and $\mathrm{\angle }\mathrm{C}$ are right angles and $\mathrm{AB}=\mathrm{CD}$. $\mathrm{\angle }\mathrm{CDB}=$

$\mathrm{△}\mathrm{ABC}$ and $\mathrm{△}\mathrm{DEF}$ are congruent triangles by SSS congruence condition. Find the value of $\mathrm{x}$ and $\mathrm{y}$ respectively.

$\mathrm{△}\mathrm{ABC}\cong \mathrm{△}\mathrm{XYZ},\mathrm{\angle }\mathrm{A}={50}^{°},\mathrm{\angle }\mathrm{B}={60}^{°}$ then measure of  $\mathrm{\angle }\mathrm{Z}$ is