Answer:
49 is equal to 7 times 7
Explanation:
49 can be multiplied by 49 does not explain why 49 is a perfect square.
49 is not equal to 7 plus 7.
49 is between 36 and 64 does not help in explaining why 49 is a perfect square.
49 is equal to 7 times 7 explains why 49 is a perfect square. A perfect square is an integer that is a square of an integer.
7² = 49