Asked by ola
an aircraft is travelling from calabar to kano, it first flies to ilorin on 40 degree covering a distance of 80km, it then flies 120 degree and covers a distance of 40 km to kano. find the distance between calabar and kano
Answers
Answered by
bobpursley
draw the sketch.
I see an angle between the first leg and the second leg as 160 degrees.
Law of cosines:
d^2=80^2+40^2 - 2*80*40*cos160
I see an angle between the first leg and the second leg as 160 degrees.
Law of cosines:
d^2=80^2+40^2 - 2*80*40*cos160
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