# How To Do Square Root In Computer?

## What is the square root symbol on keyboard?

Insert Square root symbol in Word (Quick Help)

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

## Why is it called a square root?

The idea of the square root existed in Egypt and the technical term for it was Knbt, literally “corner” or “angle.” Peet has the explanation for that, that the length of each of the two sides of a square containing any corner of it was its square root.

## What is a square root of 10?

List of Perfect Squares

NUMBER SQUARE SQUARE ROOT
8 64 2.828
9 81 3.000
10 100 3.162
11 121 3.317

## How do you write a square?

The verb “to square ” is used to denote this operation. Squaring is the same as raising to the power 2, and is denoted by a superscript 2; for instance, the square of 3 may be written as 32, which is the number 9.

## Is 18 a perfect square?

In mathematics, a square is a product of a whole number with itself. For instance, the product of a number 2 by itself is 4. In this case, 4 is termed as a perfect square. A square of a number is denoted as n × n. Example 1.

You might be interested:  How To Get The Square Root Easily?
Integer Perfect square
18 x 18 324
19 x 19 361
20 x 20 400
21 x 21 441

## IS 400 a perfect square?

400 is a perfect square. Because 20 * 20 = 400.

## Why is 9 The square root of 81?

Explanation: 81 = 9 ⋅ 9 then the square root of √ 81 = 9. Because the double multiplication for the same sign is always positive, the square root is also valid with the other sign 81 =(− 9 )⋅(− 9 ) then √ 81 =− 9 and we can say that √ 81 =± 9.

## What is the square of 1 to 30?

Square, Cube, Square Root and Cubic Root for Numbers Ranging 0 – 100

Number x Square x2 Square Root x1/2
28 784 5.292
29 841 5.385
30 900 5.477
31 961 5.568

## What are the roots of 4?

Square Root From 1 to 50

Number Square Root Value
3 1.732
4 2
5 2.236
6 2.449