Question

~~~~por favor ajuda ~~~~

Answer 1

a) ângulos complementares
50+x=90
x=90-50
x=40°

B) ângulos suplementares
40+x=180
x=180-40
x=140°

C) ângulos complementares
75+x=90
x=90-75
x=15°

D) ângulos complementares
48+x=90
x=90-48
x=42°