Answer:
idk how to do that try to slove it
but I didn't get right answer
Su is the only child under 12 years of age, therefore, she is only child entering for free.
The answers to the questions
Perimeter is the addition of all 4 sides and a square as all the same sides. so every side will be the same. so if you divide 216 by 4 you get 54. you can check this by adding 54+54+54+54=216 or 54x4=216
