Use the Law of Cosines. Find length x. (Round the final answer to one decimal place as needed. Round all intermediate values to two decimal places as needed.)

Question

asked Oct 2, 2024 145k views

1 Answer

Neuronet · Answer 1 · 2024-10-06T12:13:16+0000

18.2

Explanation:

AB² =AC² + CB² -2(AC)(CB)CosA

X²=(17)² + (10)² - 2 (17)(10) Cos80

x² = 289 + 100- 340 cos 80

x= √289+100-340cos80

x= 18.2