Respuesta :
Answer:
Well, I'm only in middle school, but I'll Give it A try. Answer: 45 degrees.
Step-by-step explanation:
Well, A triangle makes up 180 degrees in total. So, 180-90 (The angle Given.)= 90. Then, You Have the other 2 angles So 90/2=45 degrees. Which is the answer for both the unknown angles.
Use S(O/H)C(A/H)T(O/A)
Sin(7/9)=0.701697876
x=0.7
Sin(7/9)=0.701697876
x=0.7