Asked by WON
In an orienteering race, you walk 100 m due east and then walk N70¡ÆE for 60 m. How far are you from your
starting position, and at what bearing?
starting position, and at what bearing?
Answers
Answered by
Reiny
follow the method I showed you in the two previous posts.
you could also make a sketch and solve it using basic trig
I see a triangle with sides 100 and 60 and the contained angle of 160°
by the cosine law
x^2 = 100^2+60^2-2(100)(60)cos120
....
you could also make a sketch and solve it using basic trig
I see a triangle with sides 100 and 60 and the contained angle of 160°
by the cosine law
x^2 = 100^2+60^2-2(100)(60)cos120
....