Answer:
Stacy is 13 meters apart from Christopher.
Explanation:
Given:
Austin is hiding 12 meters south of Stacy.
Christopher is hiding 5 meters east of Austin.
To find distance between Stacy and Christopher.
Solution:
From the given data, we will trace the positions of each as shown in the figure below.
We find that the distance between Stacy and Christopher is the hypotenuse side of a right triangle formed by their positions.
By Pythagorean theorem:

From the triangle:
Leg 1 = 5 meters
Leg 2= 12 meters
Plugging in the values.

Simplifying.


Taking square root both sides.

meters
Thus, distance between Stacy and Christopher = 13 meters