Looking at the figure below, what angle relationship do ∠1 and ∠2 have? If m∠1 = 70, can you tell what m∠2 will be?

1 2

�  Giventhefollowinginformation,isitpossibletoprovethatanyofthelinesshownareparallel?Ifso,statethepostulateortheoremthatjustifiesyouranswer.�  ∠1≅∠3

�  Findm∠ZYNsothatlinePQisparalleltolineMN.Showyourwork.

�  Inthewindowshown,thediamondgridpatternisconstructedbyhandIsitpossibletoensurethatthewoodpiecesthatrunthesamedirectionareparallel?Ifso,explainhow.Ifnot,explainwhynot.