# FAQ: How To Use Square Root?

## How do you calculate square root?

Example: Calculate the square root of 10 ( ) to 2 decimal places.

1. Find the two perfect square numbers it lies between. Solution: 32 = 9 and 42 = 16, so lies between 3 and 4.
2. Divide 10 by 3. 10/3 = 3.33 (you can round off your answer)
3. Average 3.33 and 3. ( 3.33 + 3)/2 = 3.1667.

## How do you use square root in a sentence?

1. The square root of 49 is 7.
2. What is the square root of 9?
3. The square root of 64 is 8.
4. Five is the square root of 25.
5. The square root of nine is three.
6. I can’t remember the sign for ” square root “.
7. How do you find the square root of 20?
8. The square root of 64 is 8, and the cube root of 64 is 4.

## What are the rules for square roots?

As for square roots, a number r is a square root of a number x if r^2 = x. Based on this definition, a positive number actually has two square roots: a positive number and the negative of that positive number. For example, the numbers 5 and -5 are square roots of 25 because 5^2 = 25 and (-5)^2 = 25.

## Is 3 a square root?

The process of multiplying a number times itself is called squaring. Numbers whose square roots are whole numbers, (or more accurately positive integers) are called perfect square numbers. List of Perfect Squares.

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NUMBER SQUARE SQUARE ROOT
3 9 1.732
4 16 2.000
5 25 2.236
6 36 2.449

## What’s the symbol for square root?

The symbol ” √ ” for the square root was first used in print in 1525, in Christoph Rudolff’s Coss.

## Is Square rooting a word?

If you are looking for ways to insert the Square root symbol in Word using the keyboard, this post is for you. Insert Square root symbol in Word (Quick Help)

Name Square root
Alt Code 251
Alt code Shortcut Alt+251
Shortcut (for Word ) 221A, Alt+X
Shortcut (Mac) Option+V

## Is Square rooted a word?

Go in symbol. Press + (where ever you want to insert square root, you will get equation box, and then) To insert Square root symbol (√) in Word, type 221A and then press Alt+X to convert the alt code into a square root symbol.

## What is a cube root definition?

In mathematics, a cube root of a number x is a number y such that y3 = x. All nonzero real numbers, have exactly one real cube root and a pair of complex conjugate cube roots, and all nonzero complex numbers have three distinct complex cube roots.

## What is the root square of 169?

The square root of 169 is 13.

## Which is the square root of 144?

The value of the square root of 144 is equal to 12. In radical form, it is denoted as √ 144 = 12.