Answer:
D
Step-by-step explanation:
Using cosine formula, we have
Answer: 6 1/6
1) First divide 10 1/2 = 5 1/4.
2) Then, since we divide 10 1/2 then we need to divide 12 1/3.
3) 12 1/3 divided by 2 = 6 1/6.
And there is your answer; 6 1/6
the answer is 80
hope we can be friends
can i please get brainliest
