Answer:
B. 28
Step-by-step explanation:
Since (4x + 10) and 122 degrees are angles that are across from each other (vertical angles), they equal each other.
4x + 10 = 122
-10 -10
4x = 112
/4 /4
x = 28
The answer is A 9.4 because you use the Pythagorean theorem to find the unknown side.
I think it's the 0.0011098779
Answer: C. 3
Step-by-step explanation: