# Quick Answer: What Is The Square Root Of 20?

## Is square root of 20 a perfect square?

Since 20 is not a perfect square, it is an irrational number. This means that the answer to “the square root of 20?” will have an infinite number of decimals.

## What are the first 20 square roots?

List of Square Root from 1 to 100

Number (N) Square (N2) Square root (√N)
18 324 4.243
19 361 4.359
20 400 4.472
21 441 4.583

## How do you figure out square roots?

Try it: +2 × +2 = 4 and -2 × -2 = 4. Since a square root of a number must equal that number when multiplied by itself. When you multiply this number by itself, and set it up as a full equation ( n * n = x ), the two factors (n and n) are either both positive or both negative since they are the same number.

## 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

## Is 20 squared a natural number?

1 Expert Answer. It is irrational. It simplifies to 2√5, but this is also irrational. To be rational, the decimal would have to be able to be written as a fraction.

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## What is the square of 25?

List of Perfect Squares

NUMBER SQUARE SQUARE ROOT
22 484 4.690
23 529 4.796
24 576 4.899
25 625 5.000

## What’s the perfect square of 20?

So the first 20 square numbers are 1, 4, 9, 16, 25, 36, 49, 64, 81, 100, 121, 144, 169, 196, 225, 256, 289, 324, 361 and 400. What are first 20 perfect squares?

Positive Integer Integer Squared = Perfect Squares List
18 18 ^2 = 324
19 19 ^2 = 361
20 20 ^2 = 400

## Is 27 a cube number?

A cube number is the answer when an integer is multiplied by itself, then multiplied by itself again. The first five cube numbers are: 1, 8, 27, 64 and 125.

## Is 30 a perfect square?

A: No, the number 30 is not a perfect square.

## How do you find the square of 30?

Square Root of 30

1. Square Root of 30: √ 30 = 5.477.
2. Square of 30: 30 2 = 900.

## Is 25 a perfect square?

Since 25 is a natural number and the square root of 25 is a natural number (5), 25 is a perfect square. 24 is a natural number, but since there is no other natural number that can be squared to result in the number 24, 24 is NOT a perfect square. 