1) Which of the following pairs of angles are supplementary?
a. <EBA and <BER
b. <EBA and <ERA
c. <REB and <BAR
d. all of the above



1 Which Of The Following Pairs Of Angles Are Supplementarya LtEBA And LtBERb LtEBA And LtERAc LtREB And LtBARd All Of The Above class=