Answer:
sin x = 39/89 cos x = 80/89 tan x = 89/80
Step-by-step explanation:
SOA CAH TOA
sin = opp/adj
cos = adj/hyp
tan = opp/adj
It would be 100 because they are vertical angles
Answer:
A
Step-by-step explanation:
you do a/18=4/a, cross multiply
a^2=72
a=6 square root of 2