Answer: A
Step-by-step explanation: if you want me to explain just comment
39, it is like the fibonacci sequence you take the 2 previous numbers and add them together to get the next number.
An acute angle is an angle that is less than 90°. An angle bisector is a ray drawn along an angle that bisects it into two equal and adjacent parts. Now, if the total angle is, say 270°, which is more than a half circle, it would result to two 135-degree angles. In this case, the angle is no longer acute, but obtuse.
The answer to this is
x=8
The two numbers are 10 and 7.
10+7=17 and 10-7=3