The car drove 12 km east and 16 km north. Find the car move module

If the first part of the path the car moved to the east, and the second part of the path to the north, then the Pythagorean theorem can be applied to calculate the modulus of movement of the car, where the segments of the path to the east and north are legs, and the modulus of movement is the hypotenuse.
Sх = √ (Sv ^ 2 + Sc ^ 2), where Sv = 12 km, Sc = 16 km.
Let’s do the calculation:
Sх = √ (12 ^ 2 + 16 ^ 2) = √ (144 + 256) = √400 = 20 km.
Answer: The vehicle movement module is 20 km.