Question

4. If the square of a number is 82.81, find the number.​

Answer 1

Answer:

i hope it's helpful to you

Answer 2

Answer:

Let the number be = x

$square \: of \: this \: number \: is \: = {x}^{2}$

$it \: is \: given \: that \: square \: of \: this \: number \: is = \: 82.81$

So,

${x}^{2} = 82.81$

$x = \sqrt{82.81}$

$x = \sqrt{9.1 \times 9.1}$

$x = 9.1$

The number is = 9.1

Ans. 9.1

Hope it helps.