Practice #1 Find all the Corresponding Angles and Corresponding Sides. Polygon WXYX was dilated by a factor of two in order to create polygon ABCD. A W Y B X Z Corresponding vertices D C Corresponding sides Are Polygon WXYZ and ABCD congruent? How do you know? Yes / No Reason: #2 Find all the Corresponding Angles and Corresponding Sides. Triangle PQR was reflected across the line EF in order to create Triangle ABC. P R A Q Corresponding vertices C Corresponding sides Are Triangle PQR and Triangle ABC congruent? How do you know? Yes / No Reason: B