In a triangle ABC, D is mid-point of BC; AD is produced upto E so that

1.	In a triangle ABC, D is mid-point of BC; AD is produced upto E so that DE = AD. Prove that : (i) Δ ABD and Δ ECD are congruent. (ii) AB = EC. (iii) AB is parallel to EC.
Answer» In a triangle ABC, D is mid-point of BC; AD is produced upto E so that DE = AD. Prove that : (i) $Δ$ ABD and $Δ$ ECD are congruent. (ii) AB = EC. (iii) AB is parallel to EC.

In a triangle ABC, D is mid-point of BC; AD is produced upto E so that DE = AD. Prove that : (i) Δ ABD and Δ ECD are congruent. (ii) AB = EC. (iii) AB is parallel to EC.

Answer»

In a triangle ABC, D is mid-point of BC; AD is produced upto E so that DE = AD. Prove that :

(i) $Δ$ ABD and $Δ$ ECD are congruent.

(ii) AB = EC.

(iii) AB is parallel to EC.