# What is the length of segment with endpoints (2,-1) and (4, 5)?

Jan 30, 2016

$2 \sqrt{10}$

#### Explanation:

$\sqrt{{\left(4 - 2\right)}^{2} + {\left(5 + 1\right)}^{2}}$

=sqrt(2^2+6^2

$= \sqrt{40}$

$= 2 \sqrt{10}$