Review for Quiz Chapter 4

Name the correspondig parts of the congruent triangles.

 $\angle J\cong\angle\ldots$  
 $\angle K\cong\angle\ldots$  
 $\angle L\cong\angle\ldots$  

Determine whether the pair of triangles is congruent.

• Congruent

• Not Congruent

At an archeological​ site, the remains of two ancient step pyramids are congruent. If  $ABCD\cong EFGH,$  find  $m\angle BCD.$  (Diagrams are not to scale).

What other​ information, if​ any, do you need to prove the two triangles congruent by​ SAS? Explain.

• $\overline{GL}\cong\overline{NM}\ and\ \overline{LT\ }\ \cong\overline{MQ}$ are both needed because all three corresponding sides must be congruent.

• $\overline{LT\ }\ \cong\overline{MQ}$ is needed because the congruent angles need to be included between two corresponding congruent sides.

• $\overline{GL}\cong\overline{NM}$ is needed because the congruent angles need to be included between two corresponding congruent sides.

• No additional information is needed to prove the triangles congruent by SAS.

Would you use SSS or SAS to prove the triangles​ congruent? If there is not enough information to prove the triangles by SSS or​ SAS, select​ "not enough​ information".

• $\Delta ARO\cong\Delta KHF,\$ SAS

• $\Delta ARO\cong\Delta KHF,\$ SSS

• The two triangles are not necessarily congruent. There is not enough information.