document.write( "Question 1131837: helicopter flies from the airport on a course with a bearing of 19degrees. After flying for 105 miles, the helicopter flies due east for some time. The helicopter flies back to the airport with a bearing of 223degrees. How far did the helicopter fly on the final leg of its journey? \n" ); document.write( "
Algebra.Com's Answer #748532 by Boreal(15235)![]() ![]() You can put this solution on YOUR website! Draw this out \n" ); document.write( "the side that is 105 miles turns east, forming an angle of 109 degrees. The easternmost angle of the track is 47 degrees \n" ); document.write( "Law of Sines \n" ); document.write( "105/sin 47=x/sin 109, where x is the length of the final leg. \n" ); document.write( "105*sin 109/sin 47=x \n" ); document.write( "x=135.75 miles \n" ); document.write( " |