distance is the difference in positions.
But that involves vectors, so here, I think your teacher wants you to use trig.
draw the figure.
Notice the angles first: the interior angle between the paths is 130degrees
Next, the law of cosines
that is it, solve for c.
Ok thank u:)
Um the answer that I got is 24.72km can u please help me get the answer above?
in my previous reply to your question,
I made the silly mistake of adding 180-(20+15_ instead of 180-(20+30) to get the angle between their paths.
I agree with bobpursley's equation, and the result of that is
c^2 = 400 + 225 - (-385.6726)
c^2 = 1010.672566
c = 31.8 km
Your answer of 4139 m or 4.139 km makes no sense,
I noticed you changed it from 4139km to 4139 m but it is still way off
Ok but do think u can help me with this question:
a sailor out in a lake sees two likght houses 11km apart along the shore and gets bearings of 285degrees from his present position for light house A and 237degrees for light house B. From light house B, light house A has a bearing of 45degrees. How far to the nearest kilometre, is the sailor from each light house? What is the shortest distance, the nearest kilometre, from the sailor to the shore? ( the answers are 3km, 13km, 3km)
Using vector analysis, i calculated 31.79 km. So my cal. agree with bobpursley.
Social Studies - Lake Michigan and Lake Huron have the same surface elevation of...
Sine, cosine law - A sail boat on lake Huron leaves Southampton and sails ...
math - Lake Huron is 206 miles long. Lake Superior is 350 moles long. Anastasia ...
Social Studies - Lake Huron is the northernmost Great Lake False? Lake Ontario ...
geography - Will you please check my answers? 1. The largest lake in the world ...
Physics/Math - An iceboat is at rest on a frictionless frozen lake when a sudden...
Physics - An iceboat is at rest on a frictionless frozen lake when a sudden wind...
english - boat:store::sail:_____________ (hint) Look at the word "sail"
social studies - what are the five great lakes You can find that at the site ...
english - i am doing similies and what does love have to do with wind a rainbow...