Question

Please someone help me: Complete the reasons for the proof.

Given:
m ∠3 = m ∠4

To Prove:
∠1, ∠2 are supplementary

Answer 1

Reasons:

(1) Given

(2) their 2 non-common sides in 1 ray

(3) definition of supplemental angles

(4) Substitution

(5) Opposite angles are congruent (equal)

(6) Substitution

(7) Definition of supplementary angles

Answer 2

Explanation:

1) given

2) 2 non - common sides in 1 ray

3) supplemental

5) opposite angles are congruent