Answer:
x+3=9
Step-by-step explanation:
I hope this helped!
10 1/2 I am pretty sure its right
Sin(α) = sin (90-Ф)
The right answer is <span>b. In any right triangle, the sine of one acute angle is equal to the sine of its complementary angle.</span>
I think its 13
bcz I just added them all up and got the answer 13