Best Answer

There are many more than 2 ways:

  • Use a calculator.
  • Learn your tables.
  • Bracket the square root.
  • Use a method which resembles long division.
  • Use the Newton-Raphson (or other numerical) method.
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โˆ™ 2013-09-18 08:51:43
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Q: What is two different ways to calculate the square root of 225?
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Several different ways in which the solution can be expressed. 2 √18 Take everything inside the square root. 2√18 = √(4 x 18) = √72 Simplify the square root. 2√18 = 2√(9 x 2) = 2 x 3√2 = 6√2 Solve the square root. 2√18 = 2 x 4.24264 = 8.48528 (5dp)

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It is only an approximation to the square root of 35 - the square root of 35 is an irrational number.Besides, 5.619 is not approximately the square root of 35; the square root of 35 is approx 5.916 (I suspect a typo in the question).Two ways:Square it:5.916 x 5.916 = 34.999056 ≈ 35Calculate the square root of 35:.............. 5 . . 9 . 1 . 6 . 0 .......... ---------------------........5 | 35 . 00 00 00 00............ 25............ ---... 109 | 10 . 00.............. 9 . 81............ -------. 1181 | ..... 19 00.................. 11 81.................. ------.11826 | ...... 7 19 00.................... 7 09 45.................... --------......................... 9 55 00So to 3 dp, √35 ≈ 5.916

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