anonymous
  • anonymous
Triangle Solution:- Two hikers start from the same point ; one walks 9 km heading east, the other one 10 km heading 55 degrees north-east. How far apart are they at the end of their walks? . . ANSWER = 5.79 km
Trigonometry
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SOLVED
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chestercat
  • chestercat
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anonymous
  • anonymous
how to do it
anonymous
  • anonymous
what is the rate?
anonymous
  • anonymous
sorry i wrote it wrong

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More answers

anonymous
  • anonymous
Two hikers start from the same point ; one walks 9 km heading east, the other one 10 km heading 55 degrees north-east. How far apart are they at the end of their walks?
anonymous
  • anonymous
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anonymous
  • anonymous
|dw:1352708664845:dw|
anonymous
  • anonymous
|dw:1352708788099:dw|
anonymous
  • anonymous
@koli123able as theta is 55 degree 2 sides are given 3rd side can be found:)
anonymous
  • anonymous
law of sines @Aperogalics ?
anonymous
  • anonymous
Yup but it is law of Cosines:) @ludwig457
anonymous
  • anonymous
oic thanks i havent been over that yet hehe
anonymous
  • anonymous
i solved it by myself but the answer is coming wrong...it s coming 8.81 km however it is 5.79 km
anonymous
  • anonymous
let me solve....wait:)
anonymous
  • anonymous
ok
anonymous
  • anonymous
good question @koli123able
anonymous
  • anonymous
sry but my answer comes 5.79:) let me show it
anonymous
  • anonymous
ok
anonymous
  • anonymous
how??
anonymous
  • anonymous
c^2=a^2+b^2-2ab cos c c^2=10^2+9^2-2*10*9* cos35 c^2=181-180*0.8191 c^2=33.5526 c=5.792:)
anonymous
  • anonymous
@koli123able
anonymous
  • anonymous
how did 35 degrees come..it was not in the question
anonymous
  • anonymous
is there any formula for calculating c
anonymous
  • anonymous
@koli123able actually the angle 55 is given North-East ,in direction angle is measured only from North and South directions only:)
anonymous
  • anonymous
so 90-55=35:)
anonymous
  • anonymous
okay

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