Answer:
Explanation:
This is a bit convoluted and confusing so stay with me here. Here's your proof table:
Statements Reasons
1. AD≅BC; ∠ADC≅∠BCD 1. Given
2. DC≅DC 2. Reflexive Prop. of Congruence
3. ΔADC≅ΔBDC 3. SAS
4. ∠DAC≅∠DBC 4. CPCTC
5. ∠AED≅∠BEC 5. Vertical ∠'s are congruent
6. ΔAED≅ΔBEC 6. AAS
7. DE≅CE 7. CPCTC