Multiple choice

Find the approximate square root of the following number : 74

  1. 8.06

  2. 8.60

  3. 8.8

  4. 7.8
Reveal answer Fill a bubble to check yourself
B Correct answer
Explanation

The square root of 64 is 8 and the square root of 81 is 9. Since 74 is between 64 and 81, the root is between 8 and 9. 8.6^2 = 73.96, which is very close to 74.

AI explanation

We know the perfect square of 8 is 64 and the perfect square of 9 is 81, so the square root of 74 must be slightly higher than 8. Testing the value 8.6, we multiply it by itself to get 73.96. Since 73.96 is extremely close to 74, the approximate square root is 8.60.

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