A commuter plane flies from City A to City B, a distance of 90 mi due
north. Due to bad weather, the plane is redirected at take-off to a
heading N 60° W (60° west of north). After flying 57 mi, the plane is
directed to turn northeast and fly directly toward City B. To the
nearest tenth, how many miles did the plane fly on the last leg of
the trip?
1. Based on the diagram provided for this problem, which measures of the triangle do you know?
2. What are the values of these measures?
3. Describe the part of the triangle you need to find.
4. What concept will you use to write an equation? What is the equation?
5. Solve the equation. What is the distance of the last leg of the trip?
2 answers
surely you can answer some of this if you draw a diagram. Think about the law of cosines for part 5.
78.9
1 answer