Asked by iratze

A hiker leaves for camp and walked 3.5 KM in a direction of 55 south of West to the lake. After a short rest at the lake she has 2.7 KM in a direction of 16 used to sell to the scenic overlook
Answered by Damon
Huh?
Answered by oobleck
so she ends up z km from camp, where
z^2 = 3.5^2 + 2.7^2 - 2(3.5)(2.7) cos(55-16)°
z = 2.2 km
Answered by oobleck
oops. I had her going S55W, rather than W55S.
z^2 = 3.5^2 + 2.7^2 - 2(3.5)(2.7) cos(25-16)°
Answered by fred
5.6 Km

77 degrees south of west
Answered by Gigachad
Fred is correct :)
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