## Prove Angle Pair Relationships

??? ? ,ESSON?????s?'EOMETRY?.OTETAKING?'UIDE? #OPYRIGHT???-C$OUGAL?,ITTELL?(OUGHTON?-IFFLIN?#OMPANY? ??? 0ROVE?!NGLE?0AIR?2ELATIONSHIPS 'OAL? +?5SE?PROPERTIES?OF?SPECIAL?PAIRS?OF?ANGLES? 4(%/2%-????? ? ?2)'(4?!.',%3?#/.'25%.#%? 4(%/2%- !LL?RIGHT?ANGLES?ARE?? V??}??i??? ? 4(%/2%-????? ? ?#/.'25%.4?3500,%-%.43? 4(%/2%- )F?TWO?ANGLES?ARE?SUPPLEMENTARY?TO?THE?? ? ? ? ? SAME?ANGLE??OR?TO?CONGRUENT?ANGLES ??? THEN?THEY?ARE?? V??}??i??? ? )F????AND????ARE?SUPPLEMENTARY?AND????AND????? ARE?SUPPLEMENTARY??THEN?????????? ? 4(%/2%-????? ? ?#/.'25%.4?#/-0,%-%.43? 4(%/2%- )F?TWO?ANGLES?ARE?COMPLEMENTARY?TO?THE?? ? ? ? ? SAME?ANGLE??OR?TO?CONGRUENT?ANGLES ??? THEN?THEY?ARE?? V??}??i??? ? )F????AND????ARE?COMPLEMENTARY?AND????AND????ARE? COMPLEMENTARY??THEN???{?????? ?