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 Problem Statement

A car travels 110km south and 70km west
1. Draw a vector diagram to show the journey.
2. Calculate the displacement of the car.
 Relevant Equations
 N/A
I have drawn a arrow pointing straight down (South) 110km and an arrow off that to the right(west) 70km.
I know that the distance of the journey would be 180km. How do I go about finding the displacement?
I know that the distance of the journey would be 180km. How do I go about finding the displacement?
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