Question

The distance between the points (1, 3) and (5, 6) is ___ units.

Answer 1

Using the distance formula

$d=\sqrt{(x_2-x_1{)}^2+(y_2-y_1{)}^2}$ (here $x_1=1$, $x_2=5$,$y_1=3$,$y_2=6$)
we have, d = $\sqrt{(5-1{)}^2+(6-3{)}^2}$
$=\sqrt{(4{)}^2+(3{)}^2}$
$=\sqrt{25}$
$=5$