Answer:
The Euclidean distance between the two given points is
.
Step-by-step explanation:
K-NN is used to predict the variable y for a new point with 
Distance is calculated in the Euclidean sense.
The Euclidean distance between two points is given by the formula:

The point is 
The Euclidean distance between the two points is given by:

Thus, the Euclidean distance between the two given points is
.