Posted by Vincent on Saturday, April 6, 2013 at 10:23pm.
A plane leaves point A and flies S80° E to point B400 km away. How far east of A is B (to the nearest kilometer)?

Math  rbowh, Saturday, April 6, 2013 at 10:37pm
Draw this on a graph. Put point A on the positive yaxis. From A, draw a line that looks to represent 80 degrees, to the xaxis at point B.
The distance from the origin to B is what you want to find.
In that right triangle with right angle at the origin, sin 80 degrees = x/400. Solve for x.
Answer This Question
Related Questions
 Mathematics  A pilot flies a plane that averages approximately 210 km/hr. The ...
 math  A plane flies 90km on a bearing 030 degree and then flies 150km due east...
 MATHS  A PLANE FLIES 120km on a bearing of 045 and then flies 150km due east....
 Math  A plane leaves an airport and flies South 58 Degrees East for 2 hours, ...
 DamotAk mathematecs  A plane flies 90KM on a bearing 040 and then flies 90KM ...
 Pythagoras  An aeroplane flies 520 km north 45 degrees west then 387 km east . ...
 math  a plane flies northwards for 430km.if the plane flies eastward for 380km....
 Pre cal  1. An airplane flies 200 km on course 110 degrees from point A to ...
 math  A plane leaves hamilton and flies due east 75 km at the same time a ...
 science  a commuter plane starts from an airport and takes the route whereby it...
More Related Questions