Question

how to find 2 square root of 21​

Answer 1

Hello !!

We need find the solution for 2 square root 21. So, we go find.

$\mathsf{2\sqrt{21}} \\\\\\ \mathsf{\approx2\left(\dfrac{21+25}{2\sqrt{25}}\right)} \\\\\\ \mathsf{\approx2\left(\dfrac{21+25}{2\times5}\right)} \\\\\\ \mathsf{\approx2\left(\dfrac{46}{10}\right)} \\\\\\ \mathsf{\approx2\times4.6} \\\\\\ \boxed{\approx\mathsf{9.2}}$

Final result : 9.2 approximately

I hope I have collaborated !

Answer 2

Answer:

2 x √21 = 9.16

Explaination:

2 x √21 = ?

2 x √21 = 9.16515....