Answer :
supplementary means x+y=180
congruent means they have the same measure x=y
so x+y=x+x=y+y=180=2x=2y
2x=2y=180d
divide by 2
x=y=90
the answers are 90 and 90
congruent means they have the same measure x=y
so x+y=x+x=y+y=180=2x=2y
2x=2y=180d
divide by 2
x=y=90
the answers are 90 and 90