For line b, d, and e, line d is parallel to line e and m∠1 = 81°. Part A: In complete sentences, explain the relationships between all pairs of special angles 1, 2, 3 and 4 created by transversal line b and parallel lines d and e.
Part B: for the given diagram, use the measure of The following special angle relationships are created by transversal line b and parallel lines d and e : 1 to find the measures of ∠2, ∠3, and ∠4.

Statements reasons 1. ab ? cd; ad ? bc 1. given 2. ac ? ac 2. reflexive property 3. ? adc ? ? cba 3. ? 4. ? dac ? ? bca; ? acd ? ? cab 4. cpctc 5. ? dac and ? bca are alt. int. ? s; ? acd and ? cab are alt. int. ? s 5. definition of alternate interior angles 6. ab ? cd; ad ? bc 6. converse of the alternate interior angles theorem 7. abcd is a parallelogram 7. definition of parallelogram what is the missing reason in step 3?

Can someone, me with this. i really need with this

Write 5 in the form of a/b using integers to show it as a rational number