# FAQ: How To Get Square Root Faster?

## Is there a trick to finding square roots?

Since the ten’s digit is 8 and the next number is 9, we need to multiply both the numbers like 8 x 9 = 72 and since 72 is bigger than 70. Square root of 7056 will be the lesser number between 84 and 86 that is 84. Square Root Chart From 1 to 50.

Number Square Root Value(√)
6 2.449
7 2.646
8 2.828
9 3

## What is the shortcut key for square root?

The Alt code for the symbol for the Square root is Alt +251 or 221A, then Alt+X. Follow these three simple steps to attach the symbol using the Alt code: – Position the pointer in the place where you want the square root symbol inserted. – Press and hold down the Alt key and type 251 from the numeric keypad.

## How do you find the square root of 225?

Since 15 is the positive square root of 225, we write √ 225 =15.

## What is the root square of 169?

The square root of 169 is 13.

## How do you find a square root without a calculator?

Finding square roots of of numbers that aren’t perfect squares without a calculator

1. Estimate – first, get as close as you can by finding two perfect square roots your number is between.
2. Divide – divide your number by one of those square roots.
3. Average – take the average of the result of step 2 and the root.
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## 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.

## How do you type Alt codes?

To insert an Alt Key character, hold down the ” Alt ” key while typing (using the numbers keypad to the right of the keyboard) the four numbers in the ” Alt Code ” column of the chart then release the ” Alt ” key.

## How do you square root on a laptop?

Hold down the “Alt” key and, at the same time, type in the number “251” on the number keypad. This will produce the square root symbol shown as “√.”