155k views
1 vote
Write an equation that could be used to find the the measure of angle R

Write an equation that could be used to find the the measure of angle R-example-1
User Merger
by
5.6k points

1 Answer

7 votes

Answer:

16² = 10² + 14² - 2(10)(14)cos R

Explanation:

Use the Law of Cosines:

16² = 10² + 14² - 2(10)(14)cos R

This matches the fourth (last) possible answer choice.

User Moshe Vayner
by
5.0k points