SOLUTION: https://cds.flipswitch.com/tools/asset/media/573164 An airplane travels 1000 miles on a bearing of 210°. Then, it changes to a bearing 270° and travels 500 miles. 1. What is

Algebra ->  Triangles -> SOLUTION: https://cds.flipswitch.com/tools/asset/media/573164 An airplane travels 1000 miles on a bearing of 210°. Then, it changes to a bearing 270° and travels 500 miles. 1. What is      Log On


   



Question 1106398: https://cds.flipswitch.com/tools/asset/media/573164
An airplane travels 1000 miles on a bearing of 210°. Then, it changes to a bearing 270° and travels 500 miles.
1. What is the measure of ∠ABC?
m∠ABC= __________°
Enter your answer as the number that correctly fills in the blank in the previous sentence.
2. Now, you know m∠ABC in △ABC.
Which of the following laws would help you to find the length of AC¯?
A. Law of Sines
B. Law of Cosines
3. How far is the airplane from the starting point?
AC≈ __________ miles
Enter your answer as the number rounded to the nearest hundredth that correctly fills in the blank in the previous sentence.

Answer by josgarithmetic(39627) About Me  (Show Source):
You can put this solution on YOUR website!
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1. What is the measure of ∠ABC?
m∠ABC= __________°
Enter your answer as the number that correctly fills in the blank in the previous sentence.
2. Now, you know m∠ABC in △ABC.
Which of the following laws would help you to find the length of AC¯?
A. Law of Sines
B. Law of Cosines
3. How far is the airplane from the starting point?
AC≈ __________ miles
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m∠ABC easily found, 360-270=110 degrees.

Now you know the angle measure between two known triangle's sides:
Law Of Cosines.

AC%5E2=500%5E2%2B1000%5E2-2%2A500%2A1000%2Acos%28110%29