Question

Hey all!

Please only answer if you know the answer, the comment section is right below. Please don't waste my points!

Also, please show all of your work, you are trying to help me better understand the concept, not just give me the answer.

The image is down below. Show work! Thanks!

Answer 1

• 65°

Explanation:

Use the law of cosines:

• cos C = (25² + 27² - 28²)/(2*25*27)
• cos C = 0.4222
• m∠C = arccos 0.4222
• m∠C = 65°