# Question #d99c2

Oct 20, 2017

$5$

#### Explanation:

You can use a right triangle to calculate the length between point $A \left(2 , 6\right)$ and point $B \left(5 , 2\right)$.

So the difference in $x = 5 - 2 = 3$ and the difference in $y = 2 - 6 = - 4$.

Then

$A B = \sqrt{{3}^{2} + {\left(- 4\right)}^{2}}$

This is the same as

$A B = \sqrt{25}$

which is the same as $5$.