The vector sum is: miles east and then miles south.
Let miles east and miles south.
Draw a diagram to represent and using a scale of .
(a)
(b)
Translate so that the tail touches the tip of .
Then draw the resultant vector .
Resultant vector of .
Measure the length and then measure the angle this vector makes with the horizantal.
The length of the vector is calculated by solving .
The length of the vector is approximately which is calculated as .
Therefore the resultant is about at a bearing of .
Resultant is about at a bearing of .
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