Which statement is true about the square root of 28?

It is between 4 and 5, probably closer to 5.

It is between 5 and 6, probably closer to 5.

It is between 5 and 6, probably closer to 6.

It is between 6 and 7, probably closer to 6.

1 answer

To determine the value of the square root of 28, we can calculate the squares of numbers around it:

  • \( 5^2 = 25 \)
  • \( 6^2 = 36 \)

Since \( 25 < 28 < 36 \), we can conclude that \( \sqrt{28} \) is between 5 and 6.

Next, let's estimate where it falls between these two numbers. The square of 5.5 is:

  • \( 5.5^2 = 30.25 \)

Since 30.25 is greater than 28, we know that \( \sqrt{28} \) is less than 5.5. Now we check 5.3:

  • \( 5.3^2 = 28.09 \)

Since 28.09 is slightly greater than 28, we also know that \( \sqrt{28} \) is less than 5.3.

To summarize, \( \sqrt{28} \) is between 5 and 5.3. Therefore, the correct statement is:

It is between 5 and 6, probably closer to 5.

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