Answer:
44. (Sorry if im incorrect. I don't clearly understand the question)
Step-by-step explanation:
Answer:
53°
Step-by-step explanation:
17² = 18² + 20² - 2(18)(20) cos Q
289 = 324 + 400 - 720 cos Q
289 = 724 - 720 cos Q
-435 = -720 cos Q
0.6042 = cos Q
![cos^{-1} (0.6042) = Q](https://tex.z-dn.net/?f=cos%5E%7B-1%7D%20%280.6042%29%20%3D%20Q)
Q = 52.83
Answer:
this is my answer but it's on you if you think this answer is correct or wrong