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Exact Form: √20.5 20.5. Decimal Form: 4.52769256… 4.52769256 …. Free math problem solver answers your algebra, geometry, trigonometry, calculus, and statistics homework questions with step-by-step explanations, just like a math tutor.
The square root of 20.5 is the number y such that y² = 20.5. Here you can learn all about it; in addition to a calculator you will like.
Find the square root of 20.5. √ Square Root Calculator' with step-by-step solution using the Babylonian Method or Hero's Method. Square Root Table.
It is called a "square" root since multiplying a number by itself is called "squaring" as it is how one finds the area of a square. For every positive number there are two square roots - one positive and one negative. For example, the square root of 4 is 2, but also -2, since -2 x -2 = 4.
Our square root calculator estimates the square root of any positive number you want. Just enter the chosen number and read the results. Everything is calculated quickly and automatically!
Evaluate square root of 20/5. √ 20 5 20 5. Divide 20 20 by 5 5. √4 4. Rewrite 4 4 as 22 2 2. √22 2 2. Pull terms out from under the radical, assuming positive real numbers. 2 2. Free math problem solver answers your algebra, geometry, trigonometry, calculus, and statistics homework questions with step-by-step explanations, just like a math tutor.
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