Answer:
29.
1. Given
2, EC ≅ BC and AC ≅ CD
3. Vertically Opposite angle
4. By SAS axiom
30.
1. ∡1 ≅ ∡2
2. Being Vertically Opposite angle
3. ∡3 ≅ ∡2 ( From statement 1 and 2)
Explanation:
For Question 29.
Given:
C is the mid point of ED and AD.
Proove:
ΔACB ≅ ΔDCE
Proof:
Statements (Reason in brackets)
1. C is the midpoint of ED and AD. (Given)
2. EC ≅ BC and AC ≅ CD (Definition of mid-point)
3. ∡ACB ≅ ∡DCE (Being Vertically Opposite angle)
4. ΔACB ≅ ΔDCE (By SAS axiom)

For Question 30.
Given:
∡1 ≅ ∡2
Proove:
∡3 ≅ ∡2
Proof:
Statements (Reason in brackets)
1. ∡1 ≅ ∡2 (Given)
2. ∡3 ≅ ∡1 (Being Vertically Opposite angle)
3. ∡3 ≅ ∡2 ( From statement 1 and 2)
