Question

Trick to find square root ?​

Answer 1

Step-by-step explanation:

How to find the square root of a number and calculate it by hand

• STEP 1: Separate The Digits Into Pairs. To begin, let's organize the workspace. ...
• STEP 2: Find The Largest Integer. ...
• STEP 3: Now Subtract That Integer. ...
• STEP 4: Let's Move To The Next Pair. ...
• STEP 5: Find The Right Match. ...
• STEP 6: Subtract Again.

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Answer 2

Step-by-step explanation:

Step 1: The unit digit in this number is 9, which can be a unit digit of its square root number such as 3 or 7. Because 32 is 9 and 72 is 49.

Step 2: Now let us consider the first two digits that is 44 which comes between the squares of 6 and 7 because 62 < 44< 72

Step 3: We can assume that the ten’s digit of the square root of 4489 is the lowest among the two numbers i.e. 6 and we need to find the unit digit of the square root of the number 4489.

Step 4: Now, we need to find between 63 or 67 which is the square root of 4489.

Step 5: Since the ten’s digit is 6 and the next number is 7, we need to multiply both the numbers like 6 x 7 = 42 and since 42 is less than 44.

Step 6: Square root of 4489 will be the bigger number between 63 and 67 i.e. 67.

Therefore, √4489 = 67

May it help you.

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