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7 grade maths

How do you find the square root of 50?






Profile image of Aniket Singh
1 Year agoGrade
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1 Answer

Profile image of Askiitians Tutor Team
1 Year ago

You can find the square root of 50 by using a calculator or by performing the calculation manually. Here's how you can calculate it manually:

Start with an initial guess. Let's use 7 as an initial guess because 7^2 is 49, which is close to 50.

Use the following formula to iteratively refine your guess until you reach a satisfactory level of accuracy:

New Guess = (Current Guess + 50 / Current Guess) / 2

Repeat step 2 until your guess stops changing significantly. This means you've approximated the square root to a reasonable degree of precision.

Let's go through a few iterations:

Initial Guess: 7
New Guess = (7 + 50 / 7) / 2 = (7 + 7.142857142857143) / 2 = 7.071428571428571
Continue this process:

New Guess = (7.071428571428571 + 50 / 7.071428571428571) / 2 ≈ 7.071067811865476
Keep repeating until you are satisfied with the level of precision. After a few more iterations, you'll find that the square root of 50 is approximately 7.071067811865476.

You can also use a calculator to get a more accurate and quicker result, which is approximately 7.07106781187 (rounded to 11 decimal places).