Click hereto get an answer to your question ️ Find the square root of 11 + 2√(30) Square root calculator and perfect square calculator. This is the lost art of how they calculated the square root of 130 by hand before modern technology was invented. Solution : We have, √(256/441) = √(256)/√(441) First find the square roots of 256 and 441 separately using prime factorization method. Calculate the positive principal root and negative root of positive real numbers. Free math problem solver answers your algebra, geometry, trigonometry, calculus, and statistics homework questions with step-by-step explanations, just like a math tutor. You are here: Home → Articles → Square Root Algorithm How to calculate a square root without a calculator and should your child learn how to do it. Step V: The fraction obtained in Step IV is the square root of the given fraction. How to find the square root of 130 by long division method Here we will show you how to calculate the square root of 130 using the long division method with one decimal place accuracy. 30 is slightly less than halfway between 5 and 6. You can't get an exact answer by hand, but you can estimate it using some tricks. sqrt(25) = 5 sqrt(36) = 6 so it must be between 5 and 6. Also tells you if the entered number is a perfect square. Examples on square root of rational numbers. 256 = 2 x 128 = 2 x 2 x 64 What you can begin with is assuming that because: 30 - 25 = 5 36 - 25 = 11 5/11 = 45.45% ... the square root of 30 is probably near 0.45 + 5 = 5.45. Find the square root, or the two roots, including the principal root, of positive and negative real numbers. Most people in today's world feel that since calculators can find square roots, that children don't need to learn how to find square … 1) Find the square root of rational numbers 256/441.