Question

Easiest way to calculate the sqrt{15}?

Answer 1

Step-by-step explanation:

bro we can calculate

$\sqrt{15}$

this can be written as

$\sqrt{16 - 1} = \sqrt{ {4}^{2} - 1 ^{2} }$

in simple way to calculate

$4 - \frac{1}{4 \times 2} = 4 - \frac{1}{8} = 3.375$

I think

$\sqrt{15} \leqslant 3.375$