Answer:
A. 21.2 m
Step-by-step explanation:
The perimeter of a polygon is the sum of its side lengths. A square is a polygon with four sides, all the same length. You can add up the side lengths, or you can take advantage of multiplication to do the repeated addition.
P = 4s
P = 4(5.3 m) = 21.2 m
The distance Yani walked was 21.2 meters.
