Two straight roads diverge at an angle of 30 degrees. Two cars leave the intersection at 5:00 p.m., one traveling at 45 mi/h, and the other at 35 mi/h. How far apart are the cars at 5:30 p.m.?

Answer 1

Draw and label a diagram

Uses Law of Cosines

d² = 27.5² + 17.5² - (2)(27.5 )(17.5) cos 30°