Stefan's distance and displacement are 11 miles and 8.54 miles southeast
The distance can be calculated directly by adding up the individual distance.
To calculate the displacement of Stefan, we make use of the Pythagoras theorem.
From Pythagoras theorem,
Formula:
Where:
From the question,
Given:
Substitute these values into equation 1
While the displacement is 8.54 miles southeast.
Hence, Stefan's distance and displacement are 11 miles and 8.54 miles southeast.
Learn more about distance and displacement here: https://brainly.com/question/17273444