# Distance between (-2,2,6) and (-1,1,3)?

Distance between (-2,2,6) and (-1,1,3)?
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The distance between to points $\left({x}_{1},{x}_{2},{x}_{3}\right)$ and $\left({y}_{1},{y}_{2},{y}_{3}\right)$ in the 3-dimensional space is $\sqrt{{\left({x}_{1}-{y}_{1}\right)}^{2}+{\left({x}_{2}-{y}_{2}\right)}^{2}+{\left({x}_{3}-{y}_{3}\right)}^{2}}$
Now simply replacing $\left({x}_{1},{x}_{2},{x}_{3}\right)$ and $\left({y}_{1},{y}_{2},{y}_{3}\right)$ by the values given we have:
$\sqrt{{\left(-2+1\right)}^{2}+{\left(2-1\right)}^{2}+{\left(6-3\right)}^{2}}=\sqrt{{\left(-1\right)}^{2}+{\left(1\right)}^{2}+{\left(3\right)}^{2}}=\sqrt{11}$
$3.317$