Write an equation that could be used to find the the measure of angle R

Question

asked Dec 27, 2020 155k views

1 Answer

Moshe Vayner · Answer 1 · 2021-01-01T03:51:08+0000

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.