Question

D

Statements
Reasons
DE || AB
Given
X.
ZA=
А
ZB
Given: DE || AB
Prove: AABC
AABCN

Answer 1

See steps below.

Explanation:

1. DE || AB | Given

2. ∠A ≅ ∠E | Alternate Interior Angle Theorem

3. ∠DCE ≅ ∠ACB | Vertical Angle Theorem

4. ΔABC ~ ΔEDC | AA Similarity