Answer:
Because emojis can better express what you are feeling, and it's fun to use. As for fairys... I don't really know either.
Step-by-step explanation
21 not sure but you can do it
You know each side is 9 meters long, meaning it’s a square. To find perimeter, add up all the sides aka. 9+9+9+9=36. To find the area, multiply one side by the other aka. 9x9 = 81.
