Respuesta :
Answer:
21
Step-by-step explanation:
Since its a square the all sides are the same so find the perfect square of the number 441 and thats your answer please put brainliest if this helps
Answer:
21
Step-by-step explanation:
Since its a square the all sides are the same so find the perfect square of the number 441 and thats your answer please put brainliest if this helps