10
QuizMultiple Choice
Law of Sines and Law of Cosines — a Deeper Look
Question 10 • Precalculus
What is the measure of angle R in shown below, given r = 10, q = 20, and Q = 100°? Round the answer to the nearest tenth. [Not drawn to scale]
Answer
A
0.5°B
2.0°C
29.5°D
50.5°