The Two Figures Are Congruent $\overline { \mathrm { B } ^ { \prime } \mathrm { C } ^ { \prime } }$

Multiple Choice

The two figures are congruent. Find the measure of the requested side or angle.
-The length of $\overline { \mathrm { B } ^ { \prime } \mathrm { C } ^ { \prime } }$

A) $\overline { \mathrm { B } ^ { \prime } \mathrm { C } ^ { \prime } } = 7.8$
B) $\overline { \mathrm { B } ^ { \prime } \mathrm { C } ^ { \prime } } = 12$
C) $\overline { \mathrm { B } ^ { \prime } \mathrm { C } ^ { \prime } } = 3.9$
D) $\overline { \mathrm { B } ^ { \prime } \mathrm { C } ^ { \prime } } = 6$