120k views
5 votes
Use the law of cosines to find each missing side round to the nearest tenth

Use the law of cosines to find each missing side round to the nearest tenth-example-1

2 Answers

1 vote

Answer:

13.1

Explanation:

yes

User Sumandeep
by
5.3k points
4 votes


a^(2) = {b}^(2) + {c}^(2) - 2bc \cos( \alpha)

a = \sqrt{ {8}^(2) + {14}^(2) - 2(8)(14) \cos(67) }

a = 13.13
User Rhys Bevilaqua
by
6.2k points