Question

I'm not sure what I​ supposed to do there is an example to help.

Answer 1

Question 1:

Conclusion: ∠DAY + ∠YAK = 180°

Justification: definition of linear pair


Question 2:


Conclusion: Point U is the midpoint of RN

Justification: RU=UN, definition of midpoint


Question 4:

Conclusion: ∠3 = ∠7

Justification: definition of alternate interior angles


Question 5:

Conclusion: ∠ABD = ∠DBC

Justification: definition of bisector


Question 6:

Conclusion: ∠2 and ∠3 are supplementary angles

Justification: definition of supplementary angles


Sorry question 3, don't know what it's trying to say