Question

In the diagram below, the three lines intersect in the same point,
forming six numbered angles

Answer 1

A , B, D, F

Explanation:

A) ∠1 ≅ ∠ 4 {Vertically opposite angles are congruent}

B) m∠2 + ∠4 + ∠6 = 180° {Straight line angles}

∠6 ≅ ∠3

⇒ ∠2 + ∠4 + ∠3 = 180°

D) ∠2 + ∠3 + ∠4 = 180° {Straight line angles}

f) ∠2 + ∠3 = ∠5 + ∠6 {Vertically opposite angles}