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The square root of 12.25 is _______________ .
  • a)
    3.5
  • b)
    2.5
  • c)
    35
  • d)
    25
Correct answer is option 'A'. Can you explain this answer?
Most Upvoted Answer
The square root of 12.25 is _______________ .a)3.5b)2.5c)35d)25Correct...
So the Answer is A
We can start with simple calculation-

35×35= 1225
3.5×3.5= 12.25
Free Test
Community Answer
The square root of 12.25 is _______________ .a)3.5b)2.5c)35d)25Correct...
The correct answer is option 'A': 3.5.

Explanation:

To find the square root of 12.25, we need to determine a number that, when multiplied by itself, equals 12.25.

One way to find the square root of a number is to use a calculator or a mathematical software. However, let's understand how to calculate it manually.

Method:

To calculate the square root of 12.25:

Step 1: Start with an initial guess. Let's start with 3.

Step 2: Square the initial guess: 3 * 3 = 9.

Step 3: Compare the result with the original number. 9 is less than 12.25.

Step 4: Increment the initial guess by a small amount. Let's try 0.1.

Step 5: Add the increment to the initial guess: 3 + 0.1 = 3.1.

Step 6: Square the new guess: 3.1 * 3.1 = 9.61.

Step 7: Compare the result with the original number. 9.61 is still less than 12.25.

Step 8: Repeat steps 4-7 until the squared result is equal to or slightly greater than the original number.

By following these steps, we find that the square root of 12.25 is approximately 3.5.

Conclusion:

Therefore, the correct answer is option 'A': 3.5.
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