Please someone help me with this its due in 2 hours

Question

asked Jun 11, 2024 132k views

1 Answer

Pradheep · Answer 1 · 2024-06-15T11:09:52+0000

Answer:

Explanation:

I don't know what you want to find but

CB ^2 = AC^2 + AB^2 -2AC.AB.Cos(BAC) Cosine Rule

CB^2 = 9 +64 - 2.3.8.Cos(40)

CB ~ 6