Question

Janan
$\sqrt{30}$
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Answer 1

Hello !!

For you answer this question, you can make use of this formula.

√N ≅ (N + B)/(2√B)

Now, you put the informations of the statement in the formula.

√30 ≅ (30 + 25)/(2√25)

√30 ≅ 55/(2 × 5)

√30 ≅ 55/10

√30 ≅ 5.5

Final result : 5.5 approximately.

I hope I have collaborated !