Answer:
49 and 121 are perfect squares.
Explanation:
By definition, a perfect square is a number that is generated by multiplying two equal integers by each other.
7 ×7 or 7² = 49
11 × 11 or 11² = 121
Another way of checking whether a given number is a perfect square:
Finding the number’s square root. If the square root of a number is a whole number, then the number is a perfect square.
Therefore, 49 and 121 are both perfect squares.