Question

Given: StartFraction A D Over D C EndFraction = StartFraction B E Over E C EndFraction

Prove: Line segment A B is parallel to line D E
Triangle A C B is cut by line D E. Line D E goes through sides A C and B C. Angle A B C is 1, angle D E C is 2, and angle D C E is 3.
Complete the steps of the proof.
♣:
♦:

Answer 1

♣: SAS similarity theorem

♦:definition of similar triangles

Explanation:

Answer 2

♣: SAS similarity theorem

♦:definition of similar triangles

Explanation: