Question 683619
1)∠DEG and ∠DEF are right angles 
2)∠DEG congruent ∠DEF equal 90°
3)∠EDG is congruent to ∠EDF
4）side DE congruent to side ED
5）△DEG congruent to △DEF
6）EF is congruent to EG



1】Given
2】Def of right angle
3】Given
4】reflex of prop are congruent
5】ASA
6】CPCTC