Opposite/adjacent= cosine
cos B= opp/adj
cosB= 7/12
B=cos^-1 (7/12)
(Type it into a graphing calculator)
B=54.3 degrees
Make sure your calculator is in degree mode and you use the inverse cosine.
Answer:

Step-by-step explanation:
Answer: I believe that the answer is all of the above
Step-by-step explanation:
He will need to fill the measuring cup 15 times