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 y-axis. From A, draw a line that looks to represent 80 degrees, to the x-axis 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