143k views
1 vote
Geometry: 6.7_law_of_cosines: 15 Points

Geometry: 6.7_law_of_cosines: 15 Points-example-1

1 Answer

4 votes

Answer:

52.61 degrees to the nearest hundredth.

Explanation:

8^2 = 7^2 + 10^2 - 2.10.7cos A

cos A = (8^2 - 7^2 - 10^2) / (-140)

= -85/-140

= 0.60714

< A = 52.61 degrees.

User Nap
by
8.9k points

No related questions found

Welcome to QAmmunity.org, where you can ask questions and receive answers from other members of our community.

9.4m questions

12.2m answers

Categories