ΔCDE was translated down and right to form triangle
ΔC′D′E′.

Triangle C E C is translated down and to the right to form triangle C prime D prime E prime.

Which statements are true? Check all that apply.

DE ≅ D′E′
EC ≅ E′C′
ED ≅ D′C′
C′D′ ≅ D′E′
D′C′ ≅ DC
ΔCDE ≅ ΔC′D′E′