Question

Which of the following number is a perfect square?
442
444
441
446​

Answer 1

441 is a perfect square

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Answer 2

Answer:

• square root of a number is a number (Integer) whose product by itself results in the initial number.
• 441 = a × a = 21 × 21
• Then a = √441 = √(21 × 21)
• 21 × 21 = 441 or -21 × -21 = 441
• The square root of 441 is +21 or -21.
• This shows that 441 is a perfect square.

Step-by-step explanation:

441 is a perfect square