This is a straight application of the law of cosine: j2 = k2 + l2 -2 kl cos angle j.
You make the substitutions and do the arithmetic.
Genesis S.
asked • 03/23/21In ΔJKL, k = 4.4 inches, l = 8.6 inches and ∠J=129°. Find the length of j, to the nearest 10th of an inch.
Follow
•
2
Add comment
More
Report
1 Expert Answer
Still looking for help? Get the right answer, fast.
Ask a question for free
Get a free answer to a quick problem.
Most questions answered within 4 hours.
OR
Find an Online Tutor Now
Choose an expert and meet online. No packages or subscriptions, pay only for the time you need.
