Question

Ray BA is parallel to Ray CD if -

f m∠1 + m∠2 = m∠3 + m∠4
g m∠1 = m∠2
h m∠3 = m∠4
j m∠1 + m∠2 = 90

Answer 1

I got F. The reason why is because to prove BA is parallel to CD we must prove that if a transversal cuts the two rays then the alternate interior angles are congruent. <DCB must be congruent to <CBA and by the angle addition postulate the answer is F. Hope I helped you!

Answer 2

Thanks :) @parkjosh523