Question

√72.
find it square root​

Answer 1

Answer:

8.48

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Answer 2

To find : square root of $72$

Solution :

• As per the data given in the question, we have to find the square root of $72$ .
• There are four methods to find square root of numbers :

1. Repeated subtraction method of square root
2. Square root by prime factorization method
3. Square root by estimation method
4. Square root by long division method.

• Finding square root of $72$ by prime factorization method:
• Prime factors of $72 = 2\times 2\times 2\times 3\times 3$

                                 $\begin{array}{l}\sqrt{72}= 6\sqrt{2} \\\end{array}$

                                        $=6\times 1.414\\= 8.485$

Hence, the square root of $72$ is $8.485$ .