Which of this numbers is q perfect square 36,40,48 and 99
The number 36 is a perfect square because it can be expressed as 6^2.
To determine if a number is a perfect square, we need to find its square root. If the square root is a whole number, then the number is a perfect square. Let's check each number:
1. 36: The square root of 36 is 6, which is a whole number. Therefore, 36 is a perfect square.
2. 40: The square root of 40 is approximately 6.324. Since this is not a whole number, 40 is not a perfect square.
3. 48: The square root of 48 is approximately 6.928. Since this is not a whole number, 48 is not a perfect square.
4. 99: The square root of 99 is approximately 9.949. Since this is not a whole number, 99 is not a perfect square.
So, the only number among 36, 40, 48, and 99 that is a perfect square is 36.